The function fstat() may fail, so check its return value.
Signed-off-by: zhanghailiang <zhang.zhanghaili...@huawei.com>
---
hw/misc/ivshmem.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/hw/misc/ivshmem.c b/hw/misc/ivshmem.c
index 768e528..2667e9f 100644
--- a/hw/misc/ivshmem.c
+++ b/hw/misc/ivshmem.c
@@ -324,7 +324,10 @@ static int check_shm_size(IVShmemState *s, int fd) {
struct stat buf;
- fstat(fd, &buf);
+ if (fstat(fd, &buf) < 0) {
+ fprintf(stderr, "Cannot stat IVSHMEM: %s\n", strerror(errno));
+ return -1;
+ }
if (s->ivshmem_size > buf.st_size) {
fprintf(stderr,
--
1.7.12.4
