linux-kernel - [PATCH] infiniband: be*_add

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Date:	Wed, 13 Feb 2008 00:06:08 +0100
From:	marcin.slusarz@...il.com
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	Marcin Slusarz <marcin.slusarz@...il.com>,
	Roland Dreier <rolandd@...co.com>,
	Sean Hefty <sean.hefty@...el.com>,
	Hal Rosenstock <hal.rosenstock@...il.com>
Subject: [PATCH] infiniband: be*_add_cpu conversion

From: Marcin Slusarz <marcin.slusarz@...il.com>

replace all:
big_endian_variable = cpu_to_beX(beX_to_cpu(big_endian_variable) +
					expression_in_cpu_byteorder);
with:
	beX_add_cpu(&big_endian_variable, expression_in_cpu_byteorder);
generated with semantic patch

Signed-off-by: Marcin Slusarz <marcin.slusarz@...il.com>
Cc: Roland Dreier <rolandd@...co.com>
Cc: Sean Hefty <sean.hefty@...el.com>
Cc: Hal Rosenstock <hal.rosenstock@...il.com>
---
 drivers/infiniband/hw/mthca/mthca_cq.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/infiniband/hw/mthca/mthca_cq.c b/drivers/infiniband/hw/mthca/mthca_cq.c
index 6bd9f13..1e1e336 100644
--- a/drivers/infiniband/hw/mthca/mthca_cq.c
+++ b/drivers/infiniband/hw/mthca/mthca_cq.c
@@ -473,7 +473,7 @@ static void handle_error_cqe(struct mthca_dev *dev, struct mthca_cq *cq,
 	if (!(new_wqe & cpu_to_be32(0x3f)) || (!cqe->db_cnt && dbd))
 		return;
 
-	cqe->db_cnt   = cpu_to_be16(be16_to_cpu(cqe->db_cnt) - dbd);
+	be16_add_cpu(&cqe->db_cnt, -dbd);
 	cqe->wqe      = new_wqe;
 	cqe->syndrome = SYNDROME_WR_FLUSH_ERR;
 
-- 
1.5.3.7

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