From: Josef Bacik Date: Fri, 6 Dec 2019 14:37:15 +0000 (-0500) Subject: btrfs: abort transaction after failed inode updates in create_subvol X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e8da91ee3cb17f050e50599a34c43dee80b14a2f;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git 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 Reviewed-by: Johannes Thumshirn Signed-off-by: Josef Bacik Reviewed-by: David Sterba Signed-off-by: David Sterba Signed-off-by: Sasha Levin --- diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index a67143c579aa..eefe103c65da 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -610,12 +610,18 @@ static noinline int create_subvol(struct inode *dir, btrfs_i_size_write(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, root->fs_info->tree_root, objectid, root->root_key.objectid, btrfs_ino(dir), index, name, namelen); - BUG_ON(ret); + if (ret) { + btrfs_abort_transaction(trans, ret); + goto fail; + } ret = btrfs_uuid_tree_add(trans, root->fs_info->uuid_root, root_item->uuid, BTRFS_UUID_KEY_SUBVOL,