The patch titled
Subject: cciss: remove unneeded memset()
has been added to the -mm tree. Its filename is
cciss-remove-useless-set-memory-to-zero-use-memset.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
Subject: 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@xxxxxxxxxxxxxxxxx>
Cc: Mike Miller <mike.miller@xxxxxx>
Cc: Jens Axboe <axboe@xxxxxxxxx>
Cc: Stephen M. Cameron <scameron@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/block/cciss.c | 1 -
1 file changed, 1 deletion(-)
diff -puN drivers/block/cciss.c~cciss-remove-useless-set-memory-to-zero-use-memset drivers/block/cciss.c
--- a/drivers/block/cciss.c~cciss-remove-useless-set-memory-to-zero-use-memset
+++ a/drivers/block/cciss.c
@@ -5198,7 +5198,6 @@ static void cciss_shutdown(struct pci_de
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);
_
Patches currently in -mm which might be from yongjun_wei@xxxxxxxxxxxxxxxxx are
cciss-remove-useless-set-memory-to-zero-use-memset.patch
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