linux-kernel - [PATCH] IPMMU-VMSA: Delete an error message for a failed memory allocation in ipmmu

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Date:   Fri, 19 Jan 2018 22:30:19 +0100
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     iommu@...ts.linux-foundation.org,
        Jörg Rödel <joro@...tes.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org,
        Magnus Damm <damm+renesas@...nsource.se>
Subject: [PATCH] IPMMU-VMSA: Delete an error message for a failed memory
 allocation in ipmmu_probe()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Fri, 19 Jan 2018 22:22:38 +0100

Omit an extra message for a memory allocation failure in this function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 drivers/iommu/ipmmu-vmsa.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c
index 8dce3a9de9d8..1f78d60f2029 100644
--- a/drivers/iommu/ipmmu-vmsa.c
+++ b/drivers/iommu/ipmmu-vmsa.c
@@ -949,10 +949,8 @@ static int ipmmu_probe(struct platform_device *pdev)
 	int ret;
 
 	mmu = devm_kzalloc(&pdev->dev, sizeof(*mmu), GFP_KERNEL);
-	if (!mmu) {
-		dev_err(&pdev->dev, "cannot allocate device data\n");
+	if (!mmu)
 		return -ENOMEM;
-	}
 
 	mmu->dev = &pdev->dev;
 	mmu->num_utlbs = 32;
-- 
2.15.1