Messages in this thread Patch in this message | | | Date | Mon, 27 Aug 2012 15:06:42 +0800 | Subject | [PATCH] cciss: remove useless set memory to zero use memset() | From | Wei Yongjun <> |
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From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
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> --- drivers/block/cciss.c | 1 - 1 file changed, 1 deletion(-)
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index b0f553b..ca83f96 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -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);
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