linux-kernel - [PATCH] scsi: fcoe: Convert use of __constant

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Message-ID: <20150819054844.GA21960@localhost>
Date:	Wed, 19 Aug 2015 11:18:44 +0530
From:	Vaishali Thakkar <vthakkar1994@...il.com>
To:	Vasu Dev <vasu.dev@...el.com>
Cc:	"James E.J. Bottomley" <JBottomley@...n.com>,
	linux-scsi@...r.kernel.org, fcoe-devel@...n-fcoe.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] scsi: fcoe: Convert use of __constant_htons to htons

In little endian cases, the macro htons unfolds to __swab16 which
provides special case for constants. In big endian cases,
__constant_htons and htons expand directly to the same expression.
So, replace __constant_htons with htons with the goal of getting
rid of the definition of __constant_htons completely.

The semantic patch that performs this transformation is as follows:

@@expression x;@@

- __constant_htons(x)
+ htons(x)

Signed-off-by: Vaishali Thakkar <vthakkar1994@...il.com>
---
 drivers/scsi/fcoe/fcoe.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index ec193a8..d3eb80c 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -364,7 +364,7 @@ static int fcoe_interface_setup(struct fcoe_interface *fcoe,
 	 * on the ethertype for the given device
 	 */
 	fcoe->fcoe_packet_type.func = fcoe_rcv;
-	fcoe->fcoe_packet_type.type = __constant_htons(ETH_P_FCOE);
+	fcoe->fcoe_packet_type.type = htons(ETH_P_FCOE);
 	fcoe->fcoe_packet_type.dev = netdev;
 	dev_add_pack(&fcoe->fcoe_packet_type);
 
-- 
1.9.1

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