linux-kernel - [PATCH] ARM: cache-l2x0-pmu: Delete an error message for a failed memory allocation in l2x0_pmu

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Date:   Tue, 3 Oct 2017 11:23:23 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     linux-arm-kernel@...ts.infradead.org,
        Mark Rutland <mark.rutland@....com>,
        Russell King <linux@...linux.org.uk>,
        Thomas Gleixner <tglx@...utronix.de>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: [PATCH] ARM: cache-l2x0-pmu: Delete an error message for a failed
 memory allocation in l2x0_pmu_init()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Tue, 3 Oct 2017 11:16:56 +0200

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>
---
 arch/arm/mm/cache-l2x0-pmu.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/arm/mm/cache-l2x0-pmu.c b/arch/arm/mm/cache-l2x0-pmu.c
index 0a1e2280141f..b3734da93010 100644
--- a/arch/arm/mm/cache-l2x0-pmu.c
+++ b/arch/arm/mm/cache-l2x0-pmu.c
@@ -528,10 +528,8 @@ static __init int l2x0_pmu_init(void)
 		return 0;
 
 	l2x0_pmu = kzalloc(sizeof(*l2x0_pmu), GFP_KERNEL);
-	if (!l2x0_pmu) {
-		pr_warn("Unable to allocate L2x0 PMU\n");
+	if (!l2x0_pmu)
 		return -ENOMEM;
-	}
 
 	*l2x0_pmu = (struct pmu) {
 		.task_ctx_nr = perf_invalid_context,
-- 
2.14.2