[PATCH v1 1/1] linux-user/syscall: Fix missing target_to_host_timespec64() check

[Alistair Francis]

Coverity pointed out (CID 1432339) that target_to_host_timespec64() can
fail with -TARGET_EFAULT but we never check the return value. This patch
checks the return value and handles the error.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
---
 linux-user/syscall.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 6fef8181e7..3160a9ba06 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -7592,7 +7592,9 @@ static int do_futex_time64(target_ulong uaddr, int op, 
int val, target_ulong tim
     case FUTEX_WAIT_BITSET:
         if (timeout) {
             pts = &ts;
-            target_to_host_timespec64(pts, timeout);
+            if (target_to_host_timespec64(pts, timeout)) {
+                return -TARGET_EFAULT;
+            }
         } else {
             pts = NULL;
         }
-- 
2.28.0