The function fstat() may fail, so check its return value.
Signed-off-by: zhanghailiang<address@hidden>
---
hw/misc/ivshmem.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/hw/misc/ivshmem.c b/hw/misc/ivshmem.c
index 768e528..5d939d2 100644
--- a/hw/misc/ivshmem.c
+++ b/hw/misc/ivshmem.c
@@ -324,7 +324,11 @@ static int check_shm_size(IVShmemState *s, int fd) {
struct stat buf;
- fstat(fd,&buf);
+ if (fstat(fd,&buf)< 0) {
+ fprintf(stderr, "ivshmem: exiting for fstat fd '%d' failed: %s\n",
+ fd, strerror(errno));