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drivers/perf: Initialise return value in armpmu_request_irqs()

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If a PMU doesn't have any IRQs, we should return 0 from
armpmu_request_irqs(), rather than uninitialised stack.

Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Will Deacon 2018-07-04 11:50:50 +01:00
parent 1201a5a25c
commit 59b62e7ad0
1 changed files with 1 additions and 1 deletions
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2
drivers/perf/arm_pmu_platform.c
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@ -160,7 +160,7 @@ static int pmu_parse_irqs(struct arm_pmu *pmu)
static int armpmu_request_irqs(struct arm_pmu *armpmu)
{
struct pmu_hw_events __percpu *hw_events = armpmu->hw_events;
int cpu, err;
int cpu, err = 0;
for_each_cpu(cpu, &armpmu->supported_cpus) {
int irq = per_cpu(hw_events->irq, cpu);