linux-kernel - [PATCH] drivers: message: fusion: Simplify rounding

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Date:	Tue,  1 Jul 2014 14:56:20 +0200
From:	Rasmus Villemoes <linux@...musvillemoes.dk>
To:	Sreekanth Reddy <Sreekanth.Reddy@....com>
Cc:	DL-MPTFusionLinux@....com, linux-scsi@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Rasmus Villemoes <linux@...musvillemoes.dk>
Subject: [PATCH] drivers: message: fusion: Simplify rounding

Rounding up to a multiple of 4 should be done using the ALIGN
macro. As a bonus, this also makes the generated code smaller.

In GetIocFacts(), sz is assigned to a few lines below without being
read in the meantime, so it is ok that it doesn't end up with the same
value as facts->FWImageSize.

Signed-off-by: Rasmus Villemoes <linux@...musvillemoes.dk>
---
 drivers/message/fusion/mptbase.c | 7 +------
 drivers/message/fusion/mptctl.c  | 7 +------
 2 files changed, 2 insertions(+), 12 deletions(-)

diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index ebc0af7..10b16a1 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -3175,12 +3175,7 @@ GetIocFacts(MPT_ADAPTER *ioc, int sleepFlag, int reason)
 			facts->FWImageSize = le32_to_cpu(facts->FWImageSize);
 		}
 
-		sz = facts->FWImageSize;
-		if ( sz & 0x01 )
-			sz += 1;
-		if ( sz & 0x02 )
-			sz += 2;
-		facts->FWImageSize = sz;
+		facts->FWImageSize = ALIGN(facts->FWImageSize, 4);
 
 		if (!facts->RequestFrameSize) {
 			/*  Something is wrong!  */
diff --git a/drivers/message/fusion/mptctl.c b/drivers/message/fusion/mptctl.c
index 8a050e8..1004392 100644
--- a/drivers/message/fusion/mptctl.c
+++ b/drivers/message/fusion/mptctl.c
@@ -1749,12 +1749,7 @@ mptctl_replace_fw (unsigned long arg)
 
 	/* Allocate memory for the new FW image
 	 */
-	newFwSize = karg.newImageSize;
-
-	if (newFwSize & 0x01)
-		newFwSize += 1;
-	if (newFwSize & 0x02)
-		newFwSize += 2;
+	newFwSize = ALIGN(karg.newImageSize, 4);
 
 	mpt_alloc_fw_memory(ioc, newFwSize);
 	if (ioc->cached_fw == NULL)
-- 
1.9.2

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