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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>
This commit is contained in:
Tsutomu Itoh 2012-12-17 06:38:51 +00:00 committed by Josef Bacik
parent 57ba86c00f
commit cfa7a9ccda
1 changed files with 3 additions and 1 deletions
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4
fs/btrfs/send.c
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@ -1814,8 +1814,10 @@ static int name_cache_insert(struct send_ctx *sctx,
(unsigned long)nce->ino); (unsigned long)nce->ino);
if (!nce_head) { if (!nce_head) {
nce_head = kmalloc(sizeof(*nce_head), GFP_NOFS); nce_head = kmalloc(sizeof(*nce_head), GFP_NOFS);
if (!nce_head) if (!nce_head) {
kfree(nce);
return -ENOMEM; return -ENOMEM;
}
INIT_LIST_HEAD(nce_head); INIT_LIST_HEAD(nce_head);
ret = radix_tree_insert(&sctx->name_cache, nce->ino, nce_head); ret = radix_tree_insert(&sctx->name_cache, nce->ino, nce_head);