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From: zhong jiang <zhongjiang@huawei.com>
To: <tglx@linutronix.de>, <longman@redhat.com>
Cc: <arnd@arndb.de>, <yang.shi@linux.alibaba.com>,
	<linux-kernel@vger.kernel.org>
Subject: [PATCH] lib/sg_pool: remove unnecessary null check when free the object
Date: Wed, 1 Aug 2018 00:21:47 +0800	[thread overview]
Message-ID: <1533054107-35657-1-git-send-email-zhongjiang@huawei.com> (raw)

kmem_cache_destroy/mempool_destroy has taken null check into account.
so remove the redundant check.

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
---
 lib/sg_pool.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/lib/sg_pool.c b/lib/sg_pool.c
index 6dd3061..d1c1e63 100644
--- a/lib/sg_pool.c
+++ b/lib/sg_pool.c
@@ -148,10 +148,9 @@ static __init int sg_pool_init(void)
 cleanup_sdb:
 	for (i = 0; i < SG_MEMPOOL_NR; i++) {
 		struct sg_pool *sgp = sg_pools + i;
-		if (sgp->pool)
-			mempool_destroy(sgp->pool);
-		if (sgp->slab)
-			kmem_cache_destroy(sgp->slab);
+
+		mempool_destroy(sgp->pool);
+		kmem_cache_destroy(sgp->slab);
 	}
 
 	return -ENOMEM;
-- 
1.7.12.4


             reply	other threads:[~2018-07-31 16:33 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-31 16:21 zhong jiang [this message]
2018-09-08  9:39 ` zhong jiang
2018-09-08  9:46   ` Thomas Gleixner
2018-09-08 10:05     ` zhong jiang
2018-09-08 10:21       ` Thomas Gleixner
2018-09-08 10:33         ` zhong jiang

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