commit cfa7a9ccda711ac6ab8f0d17c3a9b540092d305a
author Tsutomu Itoh <t-itoh@jp.fujitsu.com> Mon Dec 17 06:38:51 2012 +0000
committer Josef Bacik <josef@toxicpanda.com> Mon Jan 14 13:52:30 2013 -0500
tree 639a5436c4efe846035864a92832f67f520debe3
parent 57ba86c00f9573b63b8c06810d4f6915efed2442

Btrfs: fix memory leak in name_cache_insert()

We should free name_cache_entry before returning from the
error handling code.

Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>

fs/btrfs/send.c

diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index 5445454..321b7fb 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -1814,8 +1814,10 @@
 			(unsigned long)nce->ino);
 	if (!nce_head) {
 		nce_head = kmalloc(sizeof(*nce_head), GFP_NOFS);
-		if (!nce_head)
+		if (!nce_head) {
+			kfree(nce);
 			return -ENOMEM;
+		}
 		INIT_LIST_HEAD(nce_head);
 
 		ret = radix_tree_insert(&sctx->name_cache, nce->ino, nce_head);