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[Qemu-devel] [PATCH v4 06/10] slirp/misc: check return value of malloc()
From: |
zhanghailiang |
Subject: |
[Qemu-devel] [PATCH v4 06/10] slirp/misc: check return value of malloc() |
Date: |
Fri, 8 Aug 2014 17:21:08 +0800 |
Signed-off-by: zhanghailiang <address@hidden>
---
slirp/misc.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/slirp/misc.c b/slirp/misc.c
index b8eb74c..9b457ad 100644
--- a/slirp/misc.c
+++ b/slirp/misc.c
@@ -55,6 +55,10 @@ int add_exec(struct ex_list **ex_ptr, int do_pty, char *exec,
tmp_ptr = *ex_ptr;
*ex_ptr = (struct ex_list *)malloc(sizeof(struct ex_list));
+ if (*ex_ptr == NULL) {
+ fprintf(stderr, "Error: malloc failed\n");
+ return -1;
+ }
(*ex_ptr)->ex_fport = port;
(*ex_ptr)->ex_addr = addr;
(*ex_ptr)->ex_pty = do_pty;
@@ -236,8 +240,9 @@ strdup(str)
char *bptr;
bptr = (char *)malloc(strlen(str)+1);
- strcpy(bptr, str);
-
+ if (bptr) {
+ strcpy(bptr, str);
+ }
return bptr;
}
#endif
--
1.7.12.4
[Qemu-devel] [PATCH v4 05/10] util/path: check return value of malloc(), zhanghailiang, 2014/08/08
[Qemu-devel] [PATCH v4 02/10] monitor: fix access freed memory, zhanghailiang, 2014/08/08
[Qemu-devel] [PATCH v4 01/10] l2cap: fix access freed memory, zhanghailiang, 2014/08/08
[Qemu-devel] [PATCH v4 09/10] tcg: check return value of fopen(), zhanghailiang, 2014/08/08