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Date: Mon, 14 Jan 2013 17:40:55 +0000 From: Cong Ding <dinggnu@...il.com> To: Will Deacon <will.deacon@....com>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, Paul Mackerras <paulus@...ba.org>, Ingo Molnar <mingo@...hat.com>, Arnaldo Carvalho de Melo <acme@...stprotocols.net>, Russell King <linux@....linux.org.uk>, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org Subject: [PATCH v2] arm: kernel/perf_event_cpu.c: remove unnecessary null pointer dereference check The NULL pointer check is not necessary. cpu_pmu_init() is called after cpu_pmu has already been dereferenced by its caller: cpu_pmu = pmu; cpu_pmu->plat_device = pdev; cpu_pmu_init(cpu_pmu); Signed-off-by: Cong Ding <dinggnu@...il.com> --- arch/arm/kernel/perf_event_cpu.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/arm/kernel/perf_event_cpu.c b/arch/arm/kernel/perf_event_cpu.c index efa5295..43496f6 100644 --- a/arch/arm/kernel/perf_event_cpu.c +++ b/arch/arm/kernel/perf_event_cpu.c @@ -147,7 +147,7 @@ static void cpu_pmu_init(struct arm_pmu *cpu_pmu) cpu_pmu->free_irq = cpu_pmu_free_irq; /* Ensure the PMU has sane values out of reset. */ - if (cpu_pmu && cpu_pmu->reset) + if (cpu_pmu->reset) on_each_cpu(cpu_pmu->reset, cpu_pmu, 1); } -- 1.7.4.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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