Btrfs: fix memory leak in start_transaction()

Free btrfs_trans_handle when join_transaction() fails in start_transaction() Signed-off-by: Yoshinori Sano <yoshinori.sano@gmail.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
git-mirror · Apr 5, 2011 · 6e8df2a · 6e8df2a
1 parent 8b2b2d3
commit 6e8df2a
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
@@ -197,6 +197,7 @@ static struct btrfs_trans_handle *start_transaction(struct btrfs_root *root,
 
 	ret = join_transaction(root);
 	if (ret < 0) {
+		kmem_cache_free(btrfs_trans_handle_cachep, h);
 		if (type != TRANS_JOIN_NOLOCK)
 			mutex_unlock(&root->fs_info->trans_mutex);
 		return ERR_PTR(ret);