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cciss: remove unneeded memset()

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The memory return by kzalloc() or kmem_cache_zalloc() has already be set
to zero, so remove useless memset(0).

spatch with a semantic match is used to found this problem.
(http://coccinelle.lip6.fr/)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Cc: Mike Miller <mike.miller@hp.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Wei Yongjun 2012-09-09 12:40:50 +02:00 committed by Jens Axboe
parent 654dbef214
commit 2541aa799f
1 changed files with 0 additions and 1 deletions
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1
drivers/block/cciss.c
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@ -5205,7 +5205,6 @@ static void cciss_shutdown(struct pci_dev *pdev)
return;
}
/* write all data in the battery backed cache to disk */
memset(flush_buf, 0, 4);
return_code = sendcmd_withirq(h, CCISS_CACHE_FLUSH, flush_buf,
4, 0, CTLR_LUNID, TYPE_CMD);
kfree(flush_buf);