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Btrfs: fix memory leak in name_cache_insert()
author
Tsutomu Itoh
<t-itoh@jp.fujitsu.com>
Mon, 17 Dec 2012 06:38:51 +0000
(06:38 +0000)
committer
Josef Bacik
<josef@toxicpanda.com>
Mon, 14 Jan 2013 18:52:30 +0000
(13:52 -0500)
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
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diff --git
a/fs/btrfs/send.c
b/fs/btrfs/send.c
index
5445454
..
321b7fb
100644
(file)
--- a/
fs/btrfs/send.c
+++ b/
fs/btrfs/send.c
@@
-1814,8
+1814,10
@@
static int name_cache_insert(struct send_ctx *sctx,
(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);