Btrfs: fix error handling in btrfs_ioctl_send()

fget() returns NULL if error. So, we should check NULL or not.

Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
This commit is contained in:
Tsutomu Itoh 2013-04-19 01:04:46 +00:00 committed by Josef Bacik
parent ba1eeaac99
commit ecc7ada77b

View File

@ -4612,8 +4612,8 @@ long btrfs_ioctl_send(struct file *mnt_file, void __user *arg_)
sctx->flags = arg->flags;
sctx->send_filp = fget(arg->send_fd);
if (IS_ERR(sctx->send_filp)) {
ret = PTR_ERR(sctx->send_filp);
if (!sctx->send_filp) {
ret = -EBADF;
goto out;
}