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[Qemu-devel] [PULL 4/7] linux-user: Propagate goto efault to return
|
From: |
Laurent Vivier |
|
Subject: |
[Qemu-devel] [PULL 4/7] linux-user: Propagate goto efault to return |
|
Date: |
Wed, 22 Aug 2018 03:14:14 +0200 |
From: Richard Henderson <address@hidden>
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
Reviewed-by: Laurent Vivier <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Laurent Vivier <address@hidden>
---
linux-user/syscall.c | 341 ++++++++++++++++++++++---------------------
1 file changed, 175 insertions(+), 166 deletions(-)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 54721684e7..19e98cc0e5 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -8158,7 +8158,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
return 0;
} else {
if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
- goto efault;
+ return -TARGET_EFAULT;
ret = get_errno(safe_read(arg1, p, arg3));
if (ret >= 0 &&
fd_trans_host_to_target_data(arg1)) {
@@ -8169,7 +8169,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
return ret;
case TARGET_NR_write:
if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
- goto efault;
+ return -TARGET_EFAULT;
if (fd_trans_target_to_host_data(arg1)) {
void *copy = g_malloc(arg3);
memcpy(copy, p, arg3);
@@ -8187,7 +8187,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
#ifdef TARGET_NR_open
case TARGET_NR_open:
if (!(p = lock_user_string(arg1)))
- goto efault;
+ return -TARGET_EFAULT;
ret = get_errno(do_openat(cpu_env, AT_FDCWD, p,
target_to_host_bitmask(arg2,
fcntl_flags_tbl),
arg3));
@@ -8197,7 +8197,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
#endif
case TARGET_NR_openat:
if (!(p = lock_user_string(arg2)))
- goto efault;
+ return -TARGET_EFAULT;
ret = get_errno(do_openat(cpu_env, arg1, p,
target_to_host_bitmask(arg3,
fcntl_flags_tbl),
arg4));
@@ -8232,7 +8232,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
ret = get_errno(safe_wait4(arg1, &status, arg3, 0));
if (!is_error(ret) && arg2 && ret
&& put_user_s32(host_to_target_waitstatus(status), arg2))
- goto efault;
+ return -TARGET_EFAULT;
}
return ret;
#endif
@@ -8244,7 +8244,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
ret = get_errno(safe_waitid(arg1, arg2, &info, arg4, NULL));
if (!is_error(ret) && arg3 && info.si_pid != 0) {
if (!(p = lock_user(VERIFY_WRITE, arg3,
sizeof(target_siginfo_t), 0)))
- goto efault;
+ return -TARGET_EFAULT;
host_to_target_siginfo(p, &info);
unlock_user(p, arg3, sizeof(target_siginfo_t));
}
@@ -8254,7 +8254,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
#ifdef TARGET_NR_creat /* not on alpha */
case TARGET_NR_creat:
if (!(p = lock_user_string(arg1)))
- goto efault;
+ return -TARGET_EFAULT;
ret = get_errno(creat(p, arg2));
fd_trans_unregister(ret);
unlock_user(p, arg1, 0);
@@ -8280,7 +8280,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
{
void * p2 = NULL;
if (!arg2 || !arg4)
- goto efault;
+ return -TARGET_EFAULT;
p = lock_user_string(arg2);
p2 = lock_user_string(arg4);
if (!p || !p2)
@@ -8295,7 +8295,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
#ifdef TARGET_NR_unlink
case TARGET_NR_unlink:
if (!(p = lock_user_string(arg1)))
- goto efault;
+ return -TARGET_EFAULT;
ret = get_errno(unlink(p));
unlock_user(p, arg1, 0);
return ret;
@@ -8303,7 +8303,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
#if defined(TARGET_NR_unlinkat)
case TARGET_NR_unlinkat:
if (!(p = lock_user_string(arg2)))
- goto efault;
+ return -TARGET_EFAULT;
ret = get_errno(unlinkat(arg1, p, arg3));
unlock_user(p, arg2, 0);
return ret;
@@ -8323,7 +8323,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
guest_argp = arg2;
for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
if (get_user_ual(addr, gp))
- goto efault;
+ return -TARGET_EFAULT;
if (!addr)
break;
argc++;
@@ -8332,7 +8332,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
guest_envp = arg3;
for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
if (get_user_ual(addr, gp))
- goto efault;
+ return -TARGET_EFAULT;
if (!addr)
break;
envc++;
@@ -8407,7 +8407,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
return ret;
case TARGET_NR_chdir:
if (!(p = lock_user_string(arg1)))
- goto efault;
+ return -TARGET_EFAULT;
ret = get_errno(chdir(p));
unlock_user(p, arg1, 0);
return ret;
@@ -8419,14 +8419,14 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
if (!is_error(ret)
&& arg1
&& put_user_sal(host_time, arg1))
- goto efault;
+ return -TARGET_EFAULT;
}
return ret;
#endif
#ifdef TARGET_NR_mknod
case TARGET_NR_mknod:
if (!(p = lock_user_string(arg1)))
- goto efault;
+ return -TARGET_EFAULT;
ret = get_errno(mknod(p, arg2, arg3));
unlock_user(p, arg1, 0);
return ret;
@@ -8434,7 +8434,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
#if defined(TARGET_NR_mknodat)
case TARGET_NR_mknodat:
if (!(p = lock_user_string(arg2)))
- goto efault;
+ return -TARGET_EFAULT;
ret = get_errno(mknodat(arg1, p, arg3, arg4));
unlock_user(p, arg2, 0);
return ret;
@@ -8442,7 +8442,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
#ifdef TARGET_NR_chmod
case TARGET_NR_chmod:
if (!(p = lock_user_string(arg1)))
- goto efault;
+ return -TARGET_EFAULT;
ret = get_errno(chmod(p, arg2));
unlock_user(p, arg1, 0);
return ret;
@@ -8477,7 +8477,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
if (arg1) {
p = lock_user_string(arg1);
if (!p) {
- goto efault;
+ return -TARGET_EFAULT;
}
} else {
p = NULL;
@@ -8488,7 +8488,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
if (arg1) {
unlock_user(p, arg1, 0);
}
- goto efault;
+ return -TARGET_EFAULT;
}
if (arg3) {
@@ -8498,7 +8498,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
unlock_user(p, arg1, 0);
}
unlock_user(p2, arg2, 0);
- goto efault;
+ return -TARGET_EFAULT;
}
} else {
p3 = NULL;
@@ -8527,7 +8527,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
#ifdef TARGET_NR_umount
case TARGET_NR_umount:
if (!(p = lock_user_string(arg1)))
- goto efault;
+ return -TARGET_EFAULT;
ret = get_errno(umount(p));
unlock_user(p, arg1, 0);
return ret;
@@ -8537,7 +8537,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
{
time_t host_time;
if (get_user_sal(host_time, arg1))
- goto efault;
+ return -TARGET_EFAULT;
return get_errno(stime(&host_time));
}
#endif
@@ -8565,7 +8565,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
struct target_utimbuf *target_tbuf;
if (arg2) {
if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
- goto efault;
+ return -TARGET_EFAULT;
tbuf.actime = tswapal(target_tbuf->actime);
tbuf.modtime = tswapal(target_tbuf->modtime);
unlock_user_struct(target_tbuf, arg2, 0);
@@ -8574,7 +8574,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
host_tbuf = NULL;
}
if (!(p = lock_user_string(arg1)))
- goto efault;
+ return -TARGET_EFAULT;
ret = get_errno(utime(p, host_tbuf));
unlock_user(p, arg1, 0);
}
@@ -8588,13 +8588,13 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
if (copy_from_user_timeval(&tv[0], arg2)
|| copy_from_user_timeval(&tv[1],
arg2 + sizeof(struct
target_timeval)))
- goto efault;
+ return -TARGET_EFAULT;
tvp = tv;
} else {
tvp = NULL;
}
if (!(p = lock_user_string(arg1)))
- goto efault;
+ return -TARGET_EFAULT;
ret = get_errno(utimes(p, tvp));
unlock_user(p, arg1, 0);
}
@@ -8608,13 +8608,14 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
if (copy_from_user_timeval(&tv[0], arg3)
|| copy_from_user_timeval(&tv[1],
arg3 + sizeof(struct
target_timeval)))
- goto efault;
+ return -TARGET_EFAULT;
tvp = tv;
} else {
tvp = NULL;
}
- if (!(p = lock_user_string(arg2)))
- goto efault;
+ if (!(p = lock_user_string(arg2))) {
+ return -TARGET_EFAULT;
+ }
ret = get_errno(futimesat(arg1, path(p), tvp));
unlock_user(p, arg2, 0);
}
@@ -8630,16 +8631,18 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
#endif
#ifdef TARGET_NR_access
case TARGET_NR_access:
- if (!(p = lock_user_string(arg1)))
- goto efault;
+ if (!(p = lock_user_string(arg1))) {
+ return -TARGET_EFAULT;
+ }
ret = get_errno(access(path(p), arg2));
unlock_user(p, arg1, 0);
return ret;
#endif
#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
case TARGET_NR_faccessat:
- if (!(p = lock_user_string(arg2)))
- goto efault;
+ if (!(p = lock_user_string(arg2))) {
+ return -TARGET_EFAULT;
+ }
ret = get_errno(faccessat(arg1, p, arg3, 0));
unlock_user(p, arg2, 0);
return ret;
@@ -8710,7 +8713,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
#ifdef TARGET_NR_mkdir
case TARGET_NR_mkdir:
if (!(p = lock_user_string(arg1)))
- goto efault;
+ return -TARGET_EFAULT;
ret = get_errno(mkdir(p, arg2));
unlock_user(p, arg1, 0);
return ret;
@@ -8718,7 +8721,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
#if defined(TARGET_NR_mkdirat)
case TARGET_NR_mkdirat:
if (!(p = lock_user_string(arg2)))
- goto efault;
+ return -TARGET_EFAULT;
ret = get_errno(mkdirat(arg1, p, arg3));
unlock_user(p, arg2, 0);
return ret;
@@ -8726,7 +8729,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
#ifdef TARGET_NR_rmdir
case TARGET_NR_rmdir:
if (!(p = lock_user_string(arg1)))
- goto efault;
+ return -TARGET_EFAULT;
ret = get_errno(rmdir(p));
unlock_user(p, arg1, 0);
return ret;
@@ -8754,7 +8757,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
if (arg1) {
tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct
target_tms), 0);
if (!tmsp)
- goto efault;
+ return -TARGET_EFAULT;
tmsp->tms_utime =
tswapal(host_to_target_clock_t(tms.tms_utime));
tmsp->tms_stime =
tswapal(host_to_target_clock_t(tms.tms_stime));
tmsp->tms_cutime =
tswapal(host_to_target_clock_t(tms.tms_cutime));
@@ -8776,8 +8779,9 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
if (arg1 == 0) {
ret = get_errno(acct(NULL));
} else {
- if (!(p = lock_user_string(arg1)))
- goto efault;
+ if (!(p = lock_user_string(arg1))) {
+ return -TARGET_EFAULT;
+ }
ret = get_errno(acct(path(p)));
unlock_user(p, arg1, 0);
}
@@ -8785,7 +8789,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
#ifdef TARGET_NR_umount2
case TARGET_NR_umount2:
if (!(p = lock_user_string(arg1)))
- goto efault;
+ return -TARGET_EFAULT;
ret = get_errno(umount2(p, arg2));
unlock_user(p, arg1, 0);
return ret;
@@ -8818,7 +8822,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
return get_errno(umask(arg1));
case TARGET_NR_chroot:
if (!(p = lock_user_string(arg1)))
- goto efault;
+ return -TARGET_EFAULT;
ret = get_errno(chroot(p));
unlock_user(p, arg1, 0);
return ret;
@@ -8868,7 +8872,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
struct target_old_sigaction *old_act;
if (arg2) {
if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
- goto efault;
+ return -TARGET_EFAULT;
act._sa_handler = old_act->_sa_handler;
target_siginitset(&act.sa_mask, old_act->sa_mask);
act.sa_flags = old_act->sa_flags;
@@ -8879,7 +8883,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
ret = get_errno(do_sigaction(arg1, pact, &oact));
if (!is_error(ret) && arg3) {
if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
- goto efault;
+ return -TARGET_EFAULT;
old_act->_sa_handler = oact._sa_handler;
old_act->sa_mask = oact.sa_mask.sig[0];
old_act->sa_flags = oact.sa_flags;
@@ -8890,7 +8894,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
if (arg2) {
if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
- goto efault;
+ return -TARGET_EFAULT;
act._sa_handler = old_act->_sa_handler;
target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
act.sa_flags = old_act->sa_flags;
@@ -8904,7 +8908,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
if (!is_error(ret) && arg3) {
if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
- goto efault;
+ return -TARGET_EFAULT;
old_act->_sa_handler = oact._sa_handler;
old_act->sa_flags = oact.sa_flags;
old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
@@ -8918,7 +8922,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
struct target_sigaction act, oact, *pact;
if (arg2) {
if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
- goto efault;
+ return -TARGET_EFAULT;
act._sa_handler = old_act->_sa_handler;
target_siginitset(&act.sa_mask, old_act->sa_mask);
act.sa_flags = old_act->sa_flags;
@@ -8934,7 +8938,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
ret = get_errno(do_sigaction(arg1, pact, &oact));
if (!is_error(ret) && arg3) {
if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
- goto efault;
+ return -TARGET_EFAULT;
old_act->_sa_handler = oact._sa_handler;
old_act->sa_mask = oact.sa_mask.sig[0];
old_act->sa_flags = oact.sa_flags;
@@ -8964,7 +8968,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
}
if (arg2) {
if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1))
- goto efault;
+ return -TARGET_EFAULT;
act._sa_handler = rt_act->_sa_handler;
act.sa_mask = rt_act->sa_mask;
act.sa_flags = rt_act->sa_flags;
@@ -8975,7 +8979,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
ret = get_errno(do_sigaction(arg1, pact, &oact));
if (!is_error(ret) && arg3) {
if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0))
- goto efault;
+ return -TARGET_EFAULT;
rt_act->_sa_handler = oact._sa_handler;
rt_act->sa_mask = oact.sa_mask;
rt_act->sa_flags = oact.sa_flags;
@@ -8996,7 +9000,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
}
if (arg2) {
if (!lock_user_struct(VERIFY_READ, act, arg2, 1)) {
- goto efault;
+ return -TARGET_EFAULT;
}
#ifdef TARGET_ARCH_HAS_KA_RESTORER
act->ka_restorer = restorer;
@@ -9098,7 +9102,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
goto fail;
}
if (!(p = lock_user(VERIFY_READ, arg2,
sizeof(target_sigset_t), 1)))
- goto efault;
+ return -TARGET_EFAULT;
target_to_host_old_sigset(&set, p);
unlock_user(p, arg2, 0);
set_ptr = &set;
@@ -9109,7 +9113,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
ret = do_sigprocmask(how, set_ptr, &oldset);
if (!is_error(ret) && arg3) {
if (!(p = lock_user(VERIFY_WRITE, arg3,
sizeof(target_sigset_t), 0)))
- goto efault;
+ return -TARGET_EFAULT;
host_to_target_old_sigset(p, &oldset);
unlock_user(p, arg3, sizeof(target_sigset_t));
}
@@ -9142,7 +9146,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
goto fail;
}
if (!(p = lock_user(VERIFY_READ, arg2,
sizeof(target_sigset_t), 1)))
- goto efault;
+ return -TARGET_EFAULT;
target_to_host_sigset(&set, p);
unlock_user(p, arg2, 0);
set_ptr = &set;
@@ -9153,7 +9157,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
ret = do_sigprocmask(how, set_ptr, &oldset);
if (!is_error(ret) && arg3) {
if (!(p = lock_user(VERIFY_WRITE, arg3,
sizeof(target_sigset_t), 0)))
- goto efault;
+ return -TARGET_EFAULT;
host_to_target_sigset(p, &oldset);
unlock_user(p, arg3, sizeof(target_sigset_t));
}
@@ -9166,7 +9170,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
ret = get_errno(sigpending(&set));
if (!is_error(ret)) {
if (!(p = lock_user(VERIFY_WRITE, arg1,
sizeof(target_sigset_t), 0)))
- goto efault;
+ return -TARGET_EFAULT;
host_to_target_old_sigset(p, &set);
unlock_user(p, arg1, sizeof(target_sigset_t));
}
@@ -9189,7 +9193,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
ret = get_errno(sigpending(&set));
if (!is_error(ret)) {
if (!(p = lock_user(VERIFY_WRITE, arg1,
sizeof(target_sigset_t), 0)))
- goto efault;
+ return -TARGET_EFAULT;
host_to_target_sigset(p, &set);
unlock_user(p, arg1, sizeof(target_sigset_t));
}
@@ -9204,7 +9208,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
target_to_host_old_sigset(&ts->sigsuspend_mask, &mask);
#else
if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t),
1)))
- goto efault;
+ return -TARGET_EFAULT;
target_to_host_old_sigset(&ts->sigsuspend_mask, p);
unlock_user(p, arg1, 0);
#endif
@@ -9224,7 +9228,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
return -TARGET_EINVAL;
}
if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t),
1)))
- goto efault;
+ return -TARGET_EFAULT;
target_to_host_sigset(&ts->sigsuspend_mask, p);
unlock_user(p, arg1, 0);
ret = get_errno(safe_rt_sigsuspend(&ts->sigsuspend_mask,
@@ -9245,7 +9249,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
}
if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t),
1)))
- goto efault;
+ return -TARGET_EFAULT;
target_to_host_sigset(&set, p);
unlock_user(p, arg1, 0);
if (arg3) {
@@ -9261,7 +9265,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t),
0);
if (!p) {
- goto efault;
+ return -TARGET_EFAULT;
}
host_to_target_siginfo(p, &uinfo);
unlock_user(p, arg2, sizeof(target_siginfo_t));
@@ -9276,7 +9280,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
p = lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1);
if (!p) {
- goto efault;
+ return -TARGET_EFAULT;
}
target_to_host_siginfo(&uinfo, p);
unlock_user(p, arg3, 0);
@@ -9289,7 +9293,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
p = lock_user(VERIFY_READ, arg4, sizeof(target_siginfo_t), 1);
if (!p) {
- goto efault;
+ return -TARGET_EFAULT;
}
target_to_host_siginfo(&uinfo, p);
unlock_user(p, arg4, 0);
@@ -9310,7 +9314,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
return do_rt_sigreturn(cpu_env);
case TARGET_NR_sethostname:
if (!(p = lock_user_string(arg1)))
- goto efault;
+ return -TARGET_EFAULT;
ret = get_errno(sethostname(p, arg2));
unlock_user(p, arg1, 0);
return ret;
@@ -9321,7 +9325,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
struct target_rlimit *target_rlim;
struct rlimit rlim;
if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
- goto efault;
+ return -TARGET_EFAULT;
rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur);
rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max);
unlock_user_struct(target_rlim, arg2, 0);
@@ -9338,7 +9342,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
ret = get_errno(getrlimit(resource, &rlim));
if (!is_error(ret)) {
if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
- goto efault;
+ return -TARGET_EFAULT;
target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
unlock_user_struct(target_rlim, arg2, 1);
@@ -9361,7 +9365,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
ret = get_errno(gettimeofday(&tv, NULL));
if (!is_error(ret)) {
if (copy_to_user_timeval(arg1, &tv))
- goto efault;
+ return -TARGET_EFAULT;
}
}
return ret;
@@ -9372,14 +9376,14 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
if (arg1) {
if (copy_from_user_timeval(&tv, arg1)) {
- goto efault;
+ return -TARGET_EFAULT;
}
ptv = &tv;
}
if (arg2) {
if (copy_from_user_timezone(&tz, arg2)) {
- goto efault;
+ return -TARGET_EFAULT;
}
ptz = &tz;
}
@@ -9446,7 +9450,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
*/
if (ts_addr) {
if (target_to_host_timespec(&ts, ts_addr)) {
- goto efault;
+ return -TARGET_EFAULT;
}
ts_ptr = &ts;
} else {
@@ -9460,7 +9464,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1);
if (!arg7) {
- goto efault;
+ return -TARGET_EFAULT;
}
arg_sigset = tswapal(arg7[0]);
arg_sigsize = tswapal(arg7[1]);
@@ -9476,7 +9480,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
target_sigset = lock_user(VERIFY_READ, arg_sigset,
sizeof(*target_sigset), 1);
if (!target_sigset) {
- goto efault;
+ return -TARGET_EFAULT;
}
target_to_host_sigset(&set, target_sigset);
unlock_user(target_sigset, arg_sigset, 0);
@@ -9492,14 +9496,14 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
if (!is_error(ret)) {
if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
- goto efault;
+ return -TARGET_EFAULT;
if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
- goto efault;
+ return -TARGET_EFAULT;
if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
- goto efault;
+ return -TARGET_EFAULT;
if (ts_addr && host_to_target_timespec(ts_addr, &ts))
- goto efault;
+ return -TARGET_EFAULT;
}
}
return ret;
@@ -9598,7 +9602,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
#ifdef TARGET_NR_swapon
case TARGET_NR_swapon:
if (!(p = lock_user_string(arg1)))
- goto efault;
+ return -TARGET_EFAULT;
ret = get_errno(swapon(p, arg2));
unlock_user(p, arg1, 0);
return ret;
@@ -9608,7 +9612,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
/* arg4 must be ignored in all other cases */
p = lock_user_string(arg4);
if (!p) {
- goto efault;
+ return -TARGET_EFAULT;
}
ret = get_errno(reboot(arg1, arg2, arg3, p));
unlock_user(p, arg4, 0);
@@ -9630,7 +9634,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
abi_ulong *v;
abi_ulong v1, v2, v3, v4, v5, v6;
if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
- goto efault;
+ return -TARGET_EFAULT;
v1 = tswapal(v[0]);
v2 = tswapal(v[1]);
v3 = tswapal(v[2]);
@@ -9703,7 +9707,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
#ifdef TARGET_NR_truncate
case TARGET_NR_truncate:
if (!(p = lock_user_string(arg1)))
- goto efault;
+ return -TARGET_EFAULT;
ret = get_errno(truncate(p, arg2));
unlock_user(p, arg1, 0);
return ret;
@@ -9717,7 +9721,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
#if defined(TARGET_NR_fchmodat)
case TARGET_NR_fchmodat:
if (!(p = lock_user_string(arg2)))
- goto efault;
+ return -TARGET_EFAULT;
ret = get_errno(fchmodat(arg1, p, arg3, 0));
unlock_user(p, arg2, 0);
return ret;
@@ -9746,8 +9750,9 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
#endif
#ifdef TARGET_NR_statfs
case TARGET_NR_statfs:
- if (!(p = lock_user_string(arg1)))
- goto efault;
+ if (!(p = lock_user_string(arg1))) {
+ return -TARGET_EFAULT;
+ }
ret = get_errno(statfs(path(p), &stfs));
unlock_user(p, arg1, 0);
convert_statfs:
@@ -9755,7 +9760,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
struct target_statfs *target_stfs;
if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
- goto efault;
+ return -TARGET_EFAULT;
__put_user(stfs.f_type, &target_stfs->f_type);
__put_user(stfs.f_bsize, &target_stfs->f_bsize);
__put_user(stfs.f_blocks, &target_stfs->f_blocks);
@@ -9784,8 +9789,9 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
#endif
#ifdef TARGET_NR_statfs64
case TARGET_NR_statfs64:
- if (!(p = lock_user_string(arg1)))
- goto efault;
+ if (!(p = lock_user_string(arg1))) {
+ return -TARGET_EFAULT;
+ }
ret = get_errno(statfs(path(p), &stfs));
unlock_user(p, arg1, 0);
convert_statfs64:
@@ -9793,7 +9799,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
struct target_statfs64 *target_stfs;
if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
- goto efault;
+ return -TARGET_EFAULT;
__put_user(stfs.f_type, &target_stfs->f_type);
__put_user(stfs.f_bsize, &target_stfs->f_bsize);
__put_user(stfs.f_blocks, &target_stfs->f_blocks);
@@ -9891,7 +9897,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
case TARGET_NR_getrandom:
p = lock_user(VERIFY_WRITE, arg1, arg2, 0);
if (!p) {
- goto efault;
+ return -TARGET_EFAULT;
}
ret = get_errno(getrandom(p, arg2, arg3));
unlock_user(p, arg1, ret);
@@ -9959,7 +9965,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
if (copy_from_user_timeval(&pvalue->it_interval, arg2)
|| copy_from_user_timeval(&pvalue->it_value,
arg2 + sizeof(struct
target_timeval)))
- goto efault;
+ return -TARGET_EFAULT;
} else {
pvalue = NULL;
}
@@ -9969,7 +9975,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
&ovalue.it_interval)
|| copy_to_user_timeval(arg3 + sizeof(struct
target_timeval),
&ovalue.it_value))
- goto efault;
+ return -TARGET_EFAULT;
}
}
return ret;
@@ -9983,22 +9989,24 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
&value.it_interval)
|| copy_to_user_timeval(arg2 + sizeof(struct
target_timeval),
&value.it_value))
- goto efault;
+ return -TARGET_EFAULT;
}
}
return ret;
#ifdef TARGET_NR_stat
case TARGET_NR_stat:
- if (!(p = lock_user_string(arg1)))
- goto efault;
+ if (!(p = lock_user_string(arg1))) {
+ return -TARGET_EFAULT;
+ }
ret = get_errno(stat(path(p), &st));
unlock_user(p, arg1, 0);
goto do_stat;
#endif
#ifdef TARGET_NR_lstat
case TARGET_NR_lstat:
- if (!(p = lock_user_string(arg1)))
- goto efault;
+ if (!(p = lock_user_string(arg1))) {
+ return -TARGET_EFAULT;
+ }
ret = get_errno(lstat(path(p), &st));
unlock_user(p, arg1, 0);
goto do_stat;
@@ -10014,7 +10022,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
struct target_stat *target_st;
if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
- goto efault;
+ return -TARGET_EFAULT;
memset(target_st, 0, sizeof(*target_st));
__put_user(st.st_dev, &target_st->st_dev);
__put_user(st.st_ino, &target_st->st_ino);
@@ -10069,7 +10077,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
if (status_ptr && ret) {
status = host_to_target_waitstatus(status);
if (put_user_s32(status, status_ptr))
- goto efault;
+ return -TARGET_EFAULT;
}
if (target_rusage) {
rusage_err = host_to_target_rusage(target_rusage, &rusage);
@@ -10083,7 +10091,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
#ifdef TARGET_NR_swapoff
case TARGET_NR_swapoff:
if (!(p = lock_user_string(arg1)))
- goto efault;
+ return -TARGET_EFAULT;
ret = get_errno(swapoff(p));
unlock_user(p, arg1, 0);
return ret;
@@ -10096,7 +10104,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
if (!is_error(ret) && arg1)
{
if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
- goto efault;
+ return -TARGET_EFAULT;
__put_user(value.uptime, &target_value->uptime);
__put_user(value.loads[0], &target_value->loads[0]);
__put_user(value.loads[1], &target_value->loads[1]);
@@ -10190,7 +10198,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
#endif
case TARGET_NR_setdomainname:
if (!(p = lock_user_string(arg1)))
- goto efault;
+ return -TARGET_EFAULT;
ret = get_errno(setdomainname(p, arg2));
unlock_user(p, arg1, 0);
return ret;
@@ -10200,7 +10208,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
struct new_utsname * buf;
if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
- goto efault;
+ return -TARGET_EFAULT;
ret = get_errno(sys_uname(buf));
if (!is_error(ret)) {
/* Overwrite the native machine name with whatever is being
@@ -10231,12 +10239,12 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
struct timex host_buf;
if (target_to_host_timex(&host_buf, arg1) != 0) {
- goto efault;
+ return -TARGET_EFAULT;
}
ret = get_errno(adjtimex(&host_buf));
if (!is_error(ret)) {
if (host_to_target_timex(arg1, &host_buf) != 0) {
- goto efault;
+ return -TARGET_EFAULT;
}
}
}
@@ -10247,12 +10255,12 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
struct timex htx, *phtx = &htx;
if (target_to_host_timex(phtx, arg2) != 0) {
- goto efault;
+ return -TARGET_EFAULT;
}
ret = get_errno(clock_adjtime(arg1, phtx));
if (!is_error(ret) && phtx) {
if (host_to_target_timex(arg2, phtx) != 0) {
- goto efault;
+ return -TARGET_EFAULT;
}
}
}
@@ -10302,7 +10310,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
#endif
if ((ret == 0) && put_user_s64(res, arg4)) {
- goto efault;
+ return -TARGET_EFAULT;
}
}
return ret;
@@ -10333,7 +10341,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
count1 = 0;
de = dirp;
if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
- goto efault;
+ return -TARGET_EFAULT;
tde = target_dirp;
while (len > 0) {
reclen = de->d_reclen;
@@ -10361,7 +10369,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
abi_long count = arg3;
if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
- goto efault;
+ return -TARGET_EFAULT;
ret = get_errno(sys_getdents(arg1, dirp, count));
if (!is_error(ret)) {
struct linux_dirent *de;
@@ -10390,7 +10398,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
dirp = lock_user(VERIFY_WRITE, arg2, count, 0);
if (!dirp) {
- goto efault;
+ return -TARGET_EFAULT;
}
ret = get_errno(sys_getdents64(arg1, dirp, count));
if (!is_error(ret)) {
@@ -10445,7 +10453,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
struct linux_dirent64 *dirp;
abi_long count = arg3;
if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
- goto efault;
+ return -TARGET_EFAULT;
ret = get_errno(sys_getdents64(arg1, dirp, count));
if (!is_error(ret)) {
struct linux_dirent64 *de;
@@ -10494,7 +10502,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
target_pfd = lock_user(VERIFY_WRITE, arg1,
sizeof(struct target_pollfd) * nfds, 1);
if (!target_pfd) {
- goto efault;
+ return -TARGET_EFAULT;
}
pfd = alloca(sizeof(struct pollfd) * nfds);
@@ -10515,7 +10523,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
if (arg3) {
if (target_to_host_timespec(timeout_ts, arg3)) {
unlock_user(target_pfd, arg1, 0);
- goto efault;
+ return -TARGET_EFAULT;
}
} else {
timeout_ts = NULL;
@@ -10530,7 +10538,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
target_set = lock_user(VERIFY_READ, arg4,
sizeof(target_sigset_t), 1);
if (!target_set) {
unlock_user(target_pfd, arg1, 0);
- goto efault;
+ return -TARGET_EFAULT;
}
target_to_host_sigset(set, target_set);
} else {
@@ -10685,7 +10693,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
}
if (host_to_target_cpu_mask(mask, mask_size, arg3, ret)) {
- goto efault;
+ return -TARGET_EFAULT;
}
}
}
@@ -10722,10 +10730,10 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
goto fail;
}
if (arg1 && put_user_u32(cpu, arg1)) {
- goto efault;
+ return -TARGET_EFAULT;
}
if (arg2 && put_user_u32(node, arg2)) {
- goto efault;
+ return -TARGET_EFAULT;
}
}
return ret;
@@ -10738,7 +10746,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
return -TARGET_EINVAL;
}
if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
- goto efault;
+ return -TARGET_EFAULT;
schp.sched_priority = tswap32(target_schp->sched_priority);
unlock_user_struct(target_schp, arg2, 0);
return get_errno(sched_setparam(arg1, &schp));
@@ -10754,7 +10762,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
ret = get_errno(sched_getparam(arg1, &schp));
if (!is_error(ret)) {
if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
- goto efault;
+ return -TARGET_EFAULT;
target_schp->sched_priority = tswap32(schp.sched_priority);
unlock_user_struct(target_schp, arg2, 1);
}
@@ -10768,7 +10776,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
return -TARGET_EINVAL;
}
if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
- goto efault;
+ return -TARGET_EFAULT;
schp.sched_priority = tswap32(target_schp->sched_priority);
unlock_user_struct(target_schp, arg3, 0);
return get_errno(sched_setscheduler(arg1, arg2, &schp));
@@ -10816,7 +10824,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
if (!is_error(ret) && arg2
&& put_user_ual(deathsig, arg2)) {
- goto efault;
+ return -TARGET_EFAULT;
}
return ret;
}
@@ -10825,7 +10833,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
{
void *name = lock_user(VERIFY_WRITE, arg2, 16, 1);
if (!name) {
- goto efault;
+ return -TARGET_EFAULT;
}
ret = get_errno(prctl(arg1, (unsigned long)name,
arg3, arg4, arg5));
@@ -10836,7 +10844,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
{
void *name = lock_user(VERIFY_READ, arg2, 16, 1);
if (!name) {
- goto efault;
+ return -TARGET_EFAULT;
}
ret = get_errno(prctl(arg1, (unsigned long)name,
arg3, arg4, arg5));
@@ -10903,7 +10911,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
arg5 = arg6;
}
if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
- goto efault;
+ return -TARGET_EFAULT;
ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
unlock_user(p, arg2, ret);
return ret;
@@ -10913,14 +10921,14 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
arg5 = arg6;
}
if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
- goto efault;
+ return -TARGET_EFAULT;
ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
unlock_user(p, arg2, 0);
return ret;
#endif
case TARGET_NR_getcwd:
if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
- goto efault;
+ return -TARGET_EFAULT;
ret = get_errno(sys_getcwd1(p, arg2));
unlock_user(p, arg1, ret);
return ret;
@@ -10936,7 +10944,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
int data_items = 1;
if (!lock_user_struct(VERIFY_WRITE, target_header, arg1, 1)) {
- goto efault;
+ return -TARGET_EFAULT;
}
header.version = tswap32(target_header->version);
header.pid = tswap32(target_header->pid);
@@ -10956,7 +10964,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
}
if (!target_data) {
unlock_user_struct(target_header, arg1, 0);
- goto efault;
+ return -TARGET_EFAULT;
}
if (num == TARGET_NR_capset) {
@@ -11074,7 +11082,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
if (!is_error(ret)) {
struct target_rlimit *target_rlim;
if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
- goto efault;
+ return -TARGET_EFAULT;
target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
unlock_user_struct(target_rlim, arg2, 1);
@@ -11085,7 +11093,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
#ifdef TARGET_NR_truncate64
case TARGET_NR_truncate64:
if (!(p = lock_user_string(arg1)))
- goto efault;
+ return -TARGET_EFAULT;
ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
unlock_user(p, arg1, 0);
return ret;
@@ -11096,8 +11104,9 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
#endif
#ifdef TARGET_NR_stat64
case TARGET_NR_stat64:
- if (!(p = lock_user_string(arg1)))
- goto efault;
+ if (!(p = lock_user_string(arg1))) {
+ return -TARGET_EFAULT;
+ }
ret = get_errno(stat(path(p), &st));
unlock_user(p, arg1, 0);
if (!is_error(ret))
@@ -11106,8 +11115,9 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
#endif
#ifdef TARGET_NR_lstat64
case TARGET_NR_lstat64:
- if (!(p = lock_user_string(arg1)))
- goto efault;
+ if (!(p = lock_user_string(arg1))) {
+ return -TARGET_EFAULT;
+ }
ret = get_errno(lstat(path(p), &st));
unlock_user(p, arg1, 0);
if (!is_error(ret))
@@ -11128,9 +11138,11 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
#ifdef TARGET_NR_newfstatat
case TARGET_NR_newfstatat:
#endif
- if (!(p = lock_user_string(arg2)))
- goto efault;
+ if (!(p = lock_user_string(arg2))) {
+ return -TARGET_EFAULT;
+ }
ret = get_errno(fstatat(arg1, path(p), &st, arg4));
+ unlock_user(p, arg2, 0);
if (!is_error(ret))
ret = host_to_target_stat64(cpu_env, arg3, &st);
return ret;
@@ -11138,7 +11150,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
#ifdef TARGET_NR_lchown
case TARGET_NR_lchown:
if (!(p = lock_user_string(arg1)))
- goto efault;
+ return -TARGET_EFAULT;
ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
unlock_user(p, arg1, 0);
return ret;
@@ -11177,7 +11189,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
if (!is_error(ret)) {
target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize *
sizeof(target_id), 0);
if (!target_grouplist)
- goto efault;
+ return -TARGET_EFAULT;
for(i = 0;i < ret; i++)
target_grouplist[i] = tswapid(high2lowgid(grouplist[i]));
unlock_user(target_grouplist, arg2, gidsetsize *
sizeof(target_id));
@@ -11209,7 +11221,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
#if defined(TARGET_NR_fchownat)
case TARGET_NR_fchownat:
if (!(p = lock_user_string(arg2)))
- goto efault;
+ return -TARGET_EFAULT;
ret = get_errno(fchownat(arg1, p, low2highuid(arg3),
low2highgid(arg4), arg5));
unlock_user(p, arg2, 0);
@@ -11230,7 +11242,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
if (put_user_id(high2lowuid(ruid), arg1)
|| put_user_id(high2lowuid(euid), arg2)
|| put_user_id(high2lowuid(suid), arg3))
- goto efault;
+ return -TARGET_EFAULT;
}
}
return ret;
@@ -11250,7 +11262,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
if (put_user_id(high2lowgid(rgid), arg1)
|| put_user_id(high2lowgid(egid), arg2)
|| put_user_id(high2lowgid(sgid), arg3))
- goto efault;
+ return -TARGET_EFAULT;
}
}
return ret;
@@ -11258,7 +11270,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
#ifdef TARGET_NR_chown
case TARGET_NR_chown:
if (!(p = lock_user_string(arg1)))
- goto efault;
+ return -TARGET_EFAULT;
ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
unlock_user(p, arg1, 0);
return ret;
@@ -11275,7 +11287,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
#ifdef TARGET_NR_lchown32
case TARGET_NR_lchown32:
if (!(p = lock_user_string(arg1)))
- goto efault;
+ return -TARGET_EFAULT;
ret = get_errno(lchown(p, arg2, arg3));
unlock_user(p, arg1, 0);
return ret;
@@ -11326,7 +11338,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
swcr |= (~fpcr >> 41) & SWCR_TRAP_ENABLE_DNO;
if (put_user_u64 (swcr, arg2))
- goto efault;
+ return -TARGET_EFAULT;
ret = 0;
}
break;
@@ -11353,7 +11365,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
uint64_t swcr, fpcr, orig_fpcr;
if (get_user_u64 (swcr, arg2)) {
- goto efault;
+ return -TARGET_EFAULT;
}
orig_fpcr = cpu_alpha_load_fpcr(cpu_env);
fpcr = orig_fpcr & FPCR_DYN_MASK;
@@ -11380,7 +11392,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
int si_code;
if (get_user_u64(exc, arg2)) {
- goto efault;
+ return -TARGET_EFAULT;
}
orig_fpcr = cpu_alpha_load_fpcr(cpu_env);
@@ -11549,7 +11561,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
if (put_user_u32(ruid, arg1)
|| put_user_u32(euid, arg2)
|| put_user_u32(suid, arg3))
- goto efault;
+ return -TARGET_EFAULT;
}
}
return ret;
@@ -11567,7 +11579,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
if (put_user_u32(rgid, arg1)
|| put_user_u32(egid, arg2)
|| put_user_u32(sgid, arg3))
- goto efault;
+ return -TARGET_EFAULT;
}
}
return ret;
@@ -11575,7 +11587,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
#ifdef TARGET_NR_chown32
case TARGET_NR_chown32:
if (!(p = lock_user_string(arg1)))
- goto efault;
+ return -TARGET_EFAULT;
ret = get_errno(chown(p, arg2, arg3));
unlock_user(p, arg1, 0);
return ret;
@@ -12138,13 +12150,13 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
pposix_mq_attr = NULL;
if (arg4) {
if (copy_from_user_mq_attr(&posix_mq_attr, arg4) != 0) {
- goto efault;
+ return -TARGET_EFAULT;
}
pposix_mq_attr = &posix_mq_attr;
}
p = lock_user_string(arg1 - 1);
if (!p) {
- goto efault;
+ return -TARGET_EFAULT;
}
ret = get_errno(mq_open(p, host_flags, arg3, pposix_mq_attr));
unlock_user (p, arg1, 0);
@@ -12234,25 +12246,25 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
loff_t *ploff_in = NULL, *ploff_out = NULL;
if (arg2) {
if (get_user_u64(loff_in, arg2)) {
- goto efault;
+ return -TARGET_EFAULT;
}
ploff_in = &loff_in;
}
if (arg4) {
if (get_user_u64(loff_out, arg4)) {
- goto efault;
+ return -TARGET_EFAULT;
}
ploff_out = &loff_out;
}
ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5,
arg6));
if (arg2) {
if (put_user_u64(loff_in, arg2)) {
- goto efault;
+ return -TARGET_EFAULT;
}
}
if (arg4) {
if (put_user_u64(loff_out, arg4)) {
- goto efault;
+ return -TARGET_EFAULT;
}
}
}
@@ -12362,7 +12374,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
if (arg4) {
struct target_epoll_event *target_ep;
if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) {
- goto efault;
+ return -TARGET_EFAULT;
}
ep.events = tswap32(target_ep->events);
/* The epoll_data_t union is just opaque data to the kernel,
@@ -12398,7 +12410,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
target_ep = lock_user(VERIFY_WRITE, arg2,
maxevents * sizeof(struct target_epoll_event),
1);
if (!target_ep) {
- goto efault;
+ return -TARGET_EFAULT;
}
ep = g_try_new(struct epoll_event, maxevents);
@@ -12471,7 +12483,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
int resource = target_to_host_resource(arg2);
if (arg3) {
if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) {
- goto efault;
+ return -TARGET_EFAULT;
}
rnew.rlim_cur = tswap64(target_rnew->rlim_cur);
rnew.rlim_max = tswap64(target_rnew->rlim_max);
@@ -12482,7 +12494,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
ret = get_errno(sys_prlimit64(arg1, resource, rnewp, arg4 ? &rold :
0));
if (!is_error(ret) && arg4) {
if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) {
- goto efault;
+ return -TARGET_EFAULT;
}
target_rold->rlim_cur = tswap64(rold.rlim_cur);
target_rold->rlim_max = tswap64(rold.rlim_max);
@@ -12560,7 +12572,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
phtimer = NULL;
} else {
if (put_user(TIMER_MAGIC | timer_index, arg3, target_timer_t))
{
- goto efault;
+ return -TARGET_EFAULT;
}
}
}
@@ -12584,12 +12596,12 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
struct itimerspec hspec_new = {{0},}, hspec_old = {{0},};
if (target_to_host_itimerspec(&hspec_new, arg3)) {
- goto efault;
+ return -TARGET_EFAULT;
}
ret = get_errno(
timer_settime(htimer, arg2, &hspec_new, &hspec_old));
if (arg4 && host_to_target_itimerspec(arg4, &hspec_old)) {
- goto efault;
+ return -TARGET_EFAULT;
}
}
return ret;
@@ -12667,7 +12679,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
ret = get_errno(timerfd_gettime(arg1, &its_curr));
if (arg2 && host_to_target_itimerspec(arg2, &its_curr)) {
- goto efault;
+ return -TARGET_EFAULT;
}
}
return ret;
@@ -12680,7 +12692,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
if (arg3) {
if (target_to_host_itimerspec(&its_new, arg3)) {
- goto efault;
+ return -TARGET_EFAULT;
}
p_new = &its_new;
} else {
@@ -12690,7 +12702,7 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
ret = get_errno(timerfd_settime(arg1, arg2, p_new, &its_old));
if (arg4 && host_to_target_itimerspec(arg4, &its_old)) {
- goto efault;
+ return -TARGET_EFAULT;
}
}
return ret;
@@ -12734,9 +12746,6 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
}
fail:
return ret;
-efault:
- ret = -TARGET_EFAULT;
- goto fail;
}
abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
--
2.17.1
- [Qemu-devel] [PULL 3/7] sh4: fix use_icount with linux-user, (continued)
- [Qemu-devel] [PULL 3/7] sh4: fix use_icount with linux-user, Laurent Vivier, 2018/08/20
- [Qemu-devel] [PULL 4/7] linux-user: fix recvmsg()/recvfrom() with netlink and MSG_TRUNC, Laurent Vivier, 2018/08/20
- Re: [Qemu-devel] [PULL 0/7] Linux user for 3.1 patches, no-reply, 2018/08/20
- Re: [Qemu-devel] [PULL 0/7] Linux user for 3.1 patches, Peter Maydell, 2018/08/21
- [Qemu-devel] [PULL 0/7] Linux user for 3.1 patches, Laurent Vivier, 2018/08/21
- [Qemu-devel] [PULL 2/7] linux-user: Split out do_syscall1, Laurent Vivier, 2018/08/21
- [Qemu-devel] [PULL 5/7] linux-user: Propagate goto unimplemented_nowarn to return, Laurent Vivier, 2018/08/21
- [Qemu-devel] [PULL 6/7] linux-user: Propagate goto unimplemented to default, Laurent Vivier, 2018/08/21
- [Qemu-devel] [PULL 7/7] linux-user: Propagate goto fail to return, Laurent Vivier, 2018/08/21
- [Qemu-devel] [PULL 1/7] linux-user: Remove DEBUG, Laurent Vivier, 2018/08/21
- [Qemu-devel] [PULL 4/7] linux-user: Propagate goto efault to return,
Laurent Vivier <=
- [Qemu-devel] [PULL 3/7] linux-user: Relax single exit from "break", Laurent Vivier, 2018/08/21
- Re: [Qemu-devel] [PULL 0/7] Linux user for 3.1 patches, Peter Maydell, 2018/08/23