linux-kernel - [PATCH] ARM: imx: mmdc: Delete an error message for a failed memory allocation in imx_mmdc_perf

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Date:   Thu, 1 Jun 2017 19:26:56 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     linux-arm-kernel@...ts.infradead.org,
        Fabio Estevam <fabio.estevam@....com>,
        Sascha Hauer <kernel@...gutronix.de>,
        Shawn Guo <shawnguo@...nel.org>,
        Russell King <linux@...linux.org.uk>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: [PATCH] ARM: imx: mmdc: Delete an error message for a failed memory
 allocation in imx_mmdc_perf_init()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Thu, 1 Jun 2017 19:15:41 +0200

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

This issue was detected by using the Coccinelle software.

Link: http://events.linuxfoundation.org/sites/events/files/slides/LCJ16-Refactor_Strings-WSang_0.pdf
Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 arch/arm/mach-imx/mmdc.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/arm/mach-imx/mmdc.c b/arch/arm/mach-imx/mmdc.c
index 78262899a590..b073af20e59e 100644
--- a/arch/arm/mach-imx/mmdc.c
+++ b/arch/arm/mach-imx/mmdc.c
@@ -486,10 +486,8 @@ static int imx_mmdc_perf_init(struct platform_device *pdev, void __iomem *mmdc_b
 		of_match_device(imx_mmdc_dt_ids, &pdev->dev);
 
 	pmu_mmdc = kzalloc(sizeof(*pmu_mmdc), GFP_KERNEL);
-	if (!pmu_mmdc) {
-		pr_err("failed to allocate PMU device!\n");
+	if (!pmu_mmdc)
 		return -ENOMEM;
-	}
 
 	/* The first instance registers the hotplug state */
 	if (!cpuhp_mmdc_state) {
-- 
2.13.0