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authorJosef Bacik <josef@toxicpanda.com>2019-12-06 09:37:15 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-12-31 12:37:56 +0100
commita93dd1c4626d1f61b0de64e1feaa385aa48fc1e9 (patch)
treebfa1f74997bb536745d1480e37b74d9ae132928a /fs
parentf8f86208bfbe7b556d108e3dae05e315cfcc34f4 (diff)
btrfs: abort transaction after failed inode updates in create_subvol
[ Upstream commit c7e54b5102bf3614cadb9ca32d7be73bad6cecf0 ] We can just abort the transaction here, and in fact do that for every other failure in this function except these two cases. CC: stable@vger.kernel.org # 4.4+ Reviewed-by: Filipe Manana <fdmanana@suse.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/ioctl.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index dd3b4820ac30..e82b4f3f490c 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -580,12 +580,18 @@ static noinline int create_subvol(struct inode *dir,
btrfs_i_size_write(BTRFS_I(dir), dir->i_size + namelen * 2);
ret = btrfs_update_inode(trans, root, dir);
- BUG_ON(ret);
+ if (ret) {
+ btrfs_abort_transaction(trans, ret);
+ goto fail;
+ }
ret = btrfs_add_root_ref(trans, fs_info,
objectid, root->root_key.objectid,
btrfs_ino(BTRFS_I(dir)), index, name, namelen);
- BUG_ON(ret);
+ if (ret) {
+ btrfs_abort_transaction(trans, ret);
+ goto fail;
+ }
ret = btrfs_uuid_tree_add(trans, fs_info, root_item->uuid,
BTRFS_UUID_KEY_SUBVOL, objectid);