| Message ID | 1407398512-20780-5-git-send-email-zhang.zhanghailiang@huawei.com |
|---|---|
| State | New |
| Headers | show |
> The function fstat() may fail, so check its return value. > > Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com> Acked-by: Levente Kurusa <lkurusa@redhat.com> Thanks! Levente Kurusa
diff --git a/hw/misc/ivshmem.c b/hw/misc/ivshmem.c index 768e528..2be4b86 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: fstat on fd %d failed: %s\n", + fd, strerror(errno)); + return -1; + } if (s->ivshmem_size > buf.st_size) { fprintf(stderr,
The function fstat() may fail, so check its return value. Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com> --- hw/misc/ivshmem.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)