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| author | Will Deacon <will.deacon@arm.com> | 2018-07-04 11:50:50 +0100 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2018-07-04 11:50:50 +0100 |
| commit | 59b62e7ad0874681dc4f84cac90cc991dc265809 (patch) | |
| tree | 8d5e44ce03a3d54e8c709c288a9f3a676041db2e | |
| parent | 1201a5a25cf0f7d8019d106a81c64f3a7397d17c (diff) | |
| download | linux-59b62e7ad0874681dc4f84cac90cc991dc265809.tar.gz linux-59b62e7ad0874681dc4f84cac90cc991dc265809.tar.bz2 linux-59b62e7ad0874681dc4f84cac90cc991dc265809.zip | |
drivers/perf: Initialise return value in armpmu_request_irqs()
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>
| -rw-r--r-- | drivers/perf/arm_pmu_platform.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/perf/arm_pmu_platform.c b/drivers/perf/arm_pmu_platform.c index 971ff336494a..96075cecb0ae 100644 --- a/drivers/perf/arm_pmu_platform.c +++ b/drivers/perf/arm_pmu_platform.c @@ -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); |