Value returned from fstat is not checked for errors before being used.
This patch fixes following coverity issue.
static uint64_t
get_blk_size(int fd)
{
struct stat stat;
fstat(fd, &stat);
return (uint64_t)stat.st_blksize;
>>> CID 107103 (#1 of 1): Unchecked return value from library
(CHECKED_RETURN)
>>> check_return: Calling fstat(fd, &stat) without checking
return value.
>>> This library function may fail and return an error code.
Fixes: 8f972312b8f4 ("vhost: support vhost-user")
Signed-off-by: Huawei Xie <huawei.xie@intel.com>
Acked-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
2cdc118eef