linux-kernel - [PATCH] lib/debugobjects: remove redundant check when free the object

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Message-ID: <1533054298-35824-1-git-send-email-zhongjiang@huawei.com>
Date:   Wed, 1 Aug 2018 00:24:58 +0800
From:   zhong jiang <zhongjiang@...wei.com>
To:     <tglx@...utronix.de>, <longman@...hat.com>
CC:     <arnd@...db.de>, <yang.shi@...ux.alibaba.com>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH] lib/debugobjects: remove redundant check when free the object

kmem_cache_destroy has taken the null check into account. so just
remove the unnecessary check.

Signed-off-by: zhong jiang <zhongjiang@...wei.com>
---
 lib/debugobjects.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/lib/debugobjects.c b/lib/debugobjects.c
index 994be48..7a6d80b 100644
--- a/lib/debugobjects.c
+++ b/lib/debugobjects.c
@@ -1185,8 +1185,7 @@ void __init debug_objects_mem_init(void)
 
 	if (!obj_cache || debug_objects_replace_static_objects()) {
 		debug_objects_enabled = 0;
-		if (obj_cache)
-			kmem_cache_destroy(obj_cache);
+		kmem_cache_destroy(obj_cache);
 		pr_warn("out of memory.\n");
 	} else
 		debug_objects_selftest();
-- 
1.7.12.4