[PATCH] btrfs: fix memory leakage

From: Cong Ding
Date: Sun Oct 27 2013 - 02:04:55 EST


The memory allocated to "name" by function "extref_get_fields" isn't properly
freed when error occurs.

Signed-off-by: Cong Ding <dinggnu@xxxxxxxxx>
---
fs/btrfs/tree-log.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 79f057c..e75f3ed 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -1169,8 +1169,10 @@ static noinline int add_inode_ref(struct btrfs_trans_handle *trans,
*/
if (!dir)
dir = read_one_inode(root, parent_objectid);
- if (!dir)
+ if (!dir) {
+ kfree(name);
return -ENOENT;
+ }
} else {
ret = ref_get_fields(eb, ref_ptr, &namelen, &name,
&ref_index);
--
1.7.9.5

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