linux-kernel - [PATCH v2 07/17] IB/mlx4: Move an assignment out of a check in forward

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Message-ID: <cdfdbe94-e226-e2f3-66ee-7649e58fcee5@users.sourceforge.net>
Date:   Fri, 21 Apr 2017 20:37:11 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     Doug Ledford <dledford@...hat.com>,
        Hal Rosenstock <hal.rosenstock@...il.com>,
        Leon Romanovsky <leonro@...lanox.com>,
        Majd Dibbiny <majd@...lanox.com>,
        Matan Barak <matanb@...lanox.com>,
        Sean Hefty <sean.hefty@...el.com>,
        Yishai Hadas <yishaih@...lanox.com>, linux-rdma@...r.kernel.org
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: [PATCH v2 07/17] IB/mlx4: Move an assignment out of a check in
 forward_trap()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Fri, 21 Apr 2017 14:00:08 +0200

The script "checkpatch.pl" pointed information out like the following.

ERROR: do not use assignment in if condition

Thus fix the affected source code place.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
Reviewed-by: Majd Dibbiny <majd@...lanox.com>
---
 drivers/infiniband/hw/mlx4/mad.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c
index 3caf468ca133..0a5b46791335 100644
--- a/drivers/infiniband/hw/mlx4/mad.c
+++ b/drivers/infiniband/hw/mlx4/mad.c
@@ -401,7 +401,8 @@ static void forward_trap(struct mlx4_ib_dev *dev, u8 port_num, const struct ib_m
 		 */
 		spin_lock_irqsave(&dev->sm_lock, flags);
 		memcpy(send_buf->mad, mad, sizeof *mad);
-		if ((send_buf->ah = dev->sm_ah[port_num - 1]))
+		send_buf->ah = dev->sm_ah[port_num - 1];
+		if (send_buf->ah)
 			ret = ib_post_send_mad(send_buf, NULL);
 		else
 			ret = -EINVAL;
-- 
2.12.2