linux-kernel - [PATCH 16/26] IB/ocrdma: Adjust a null pointer check in ocrdma_alloc

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Date:   Wed, 8 Mar 2017 14:15:34 +0100
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     linux-rdma@...r.kernel.org,
        Devesh Sharma <devesh.sharma@...gotech.com>,
        Doug Ledford <dledford@...hat.com>,
        Hal Rosenstock <hal.rosenstock@...il.com>,
        Sean Hefty <sean.hefty@...el.com>,
        Selvin Xavier <selvin.xavier@...gotech.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: [PATCH 16/26] IB/ocrdma: Adjust a null pointer check in
 ocrdma_alloc_resources()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Tue, 7 Mar 2017 22:34:33 +0100

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

Comparison to NULL could be written "!dev->stag_arr".

Thus fix the affected source code place.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 drivers/infiniband/hw/ocrdma/ocrdma_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c b/drivers/infiniband/hw/ocrdma/ocrdma_main.c
index 93113feeb2d5..fbf672c79d5f 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c
@@ -238,7 +238,7 @@ static int ocrdma_alloc_resources(struct ocrdma_dev *dev)
 
 	dev->stag_arr = kcalloc(OCRDMA_MAX_STAG, sizeof(*dev->stag_arr),
 				GFP_KERNEL);
-	if (dev->stag_arr == NULL)
+	if (!dev->stag_arr)
 		goto alloc_err;
 
 	ocrdma_alloc_pd_pool(dev);
-- 
2.12.0