From: Vasiliy Kulikov <segoon@openwall.com>
Date: Thu, 10 Feb 2011 18:00:39 +0000 (+0300)
Subject: staging: zcache: fix memory leak
X-Git-Tag: firefly_0821_release~7613^2~2197^2~496
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=69648bed5383d5e9454aa9dc922dee4db2eef794;p=firefly-linux-kernel-4.4.55.git

staging: zcache: fix memory leak

obj is not freed if __get_free_page() failed.

Signed-off-by: Vasiliy Kulikov <segoon@openwall.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/staging/zcache/zcache.c b/drivers/staging/zcache/zcache.c
index 61be8498fb06..b8a2b30a1572 100644
--- a/drivers/staging/zcache/zcache.c
+++ b/drivers/staging/zcache/zcache.c
@@ -790,6 +790,7 @@ static int zcache_do_preload(struct tmem_pool *pool)
 	page = (void *)__get_free_page(ZCACHE_GFP_MASK);
 	if (unlikely(page == NULL)) {
 		zcache_failed_get_free_pages++;
+		kmem_cache_free(zcache_obj_cache, obj);
 		goto unlock_out;
 	}
 	preempt_disable();