Btrfs: don't add a NULL extended attribute
Passing a null extended attribute value means to remove the attribute, but we don't have to add a new NULL extended attribute. Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: Chris Mason <chris.mason@fusionio.com>
This commit is contained in:
parent
755ac67f83
commit
01e6deb25a
|
@ -122,6 +122,16 @@ static int do_setxattr(struct btrfs_trans_handle *trans,
|
|||
*/
|
||||
if (!value)
|
||||
goto out;
|
||||
} else {
|
||||
di = btrfs_lookup_xattr(NULL, root, path, btrfs_ino(inode),
|
||||
name, name_len, 0);
|
||||
if (IS_ERR(di)) {
|
||||
ret = PTR_ERR(di);
|
||||
goto out;
|
||||
}
|
||||
if (!di && !value)
|
||||
goto out;
|
||||
btrfs_release_path(path);
|
||||
}
|
||||
|
||||
again:
|
||||
|
|
Loading…
Reference in New Issue