From: Yoshinori Sano <yoshinori.sano@gmail.com>
Date: Sun, 3 Apr 2011 12:31:28 +0000 (+0000)
Subject: Btrfs: fix memory leak in start_transaction()
X-Git-Tag: v2.6.39-rc2~6^2~4
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=6e8df2ae89ab37730c0062782f844c66ecfc97a7;p=~shefty%2Frdma-dev.git

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>
---

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index ce48eb59d61..d01cc249a8d 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);