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Commit 2541aa79 authored by Wei Yongjun's avatar Wei Yongjun Committed by Jens Axboe
Browse files

cciss: remove unneeded memset() 

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: default avatarWei 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: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 654dbef2

drivers/block/cciss.c

+0 −1
Original line number Diff line number Diff line
@@ -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);