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authorWei Yongjun <yongjun_wei@trendmicro.com.cn>2012-09-09 14:40:50 +0400
committerJens Axboe <axboe@kernel.dk>2012-10-30 11:36:58 +0400
commit2541aa799ff711fdd85dfbced58ea815a5968674 (patch)
treee54b275fe9045bdec917177abf0b5faa1bde4ebb /drivers/block/cciss.c
parent654dbef2146d6bc56886495d44b661148f016e62 (diff)
downloadlinux-2541aa799ff711fdd85dfbced58ea815a5968674.tar.xz
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: 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>
Diffstat (limited to 'drivers/block/cciss.c')
-rw-r--r--drivers/block/cciss.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index b0f553b26d0f..ca83f96756ad 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);