| commit | 92900e5160a5444d47dd376bc40066b709fbb5a6 | [log] [tgz] |
|---|---|---|
| author | Al Viro <viro@zeniv.linux.org.uk> | Sun Jan 27 04:58:00 2019 +0000 |
| committer | David Sterba <dsterba@suse.com> | Wed Jan 30 18:16:40 2019 +0100 |
| tree | 16fe4e2b48d4610448fe00759383ad686838ce08 | |
| parent | 302167c50b32e7fccc98994a91d40ddbbab04e52 [diff] |
btrfs: fix potential oops in device_list_add
alloc_fs_devices() can return ERR_PTR(-ENOMEM), so dereferencing its
result before the check for IS_ERR() is a bad idea.
Fixes: d1a63002829a4 ("btrfs: add members to fs_devices to track fsid changes")
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>