From 6e8df2ae89ab37730c0062782f844c66ecfc97a7 Mon Sep 17 00:00:00 2001
From: Yoshinori Sano <yoshinori.sano@gmail.com>
Date: Sun, 3 Apr 2011 12:31:28 +0000
Subject: [PATCH] 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>
---
fs/btrfs/transaction.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index ce48eb59d615..d01cc249a8d3 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -197,6 +197,7 @@ again:
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);