Commit 98d03d9d authored Aug 25, 2022 by Yu Zhe Committed by Greg Kroah-Hartman Sep 20, 2022

perf/arm_pmu_platform: fix tests for platform_get_irq() failure



[ Upstream commit 6bb0d64c100091e131cd16710b62fda3319cd0af ]

The platform_get_irq() returns negative error codes.  It can't actually
return zero.

Signed-off-by: Yu Zhe <yuzhe@nfschina.com>
Link: https://lore.kernel.org/r/20220825011844.8536-1-yuzhe@nfschina.com


Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

parent 0d830374

drivers/perf/arm_pmu_platform.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -118,7 +118,7 @@ static int pmu_parse_irqs(struct arm_pmu *pmu)

		if (num_irqs == 1) {
		int irq = platform_get_irq(pdev, 0);
		if (irq && irq_is_percpu_devid(irq))
		if ((irq > 0) && irq_is_percpu_devid(irq))
		return pmu_parse_percpu_irq(pmu, irq);
		}