[PATCH] perf: check return value of armpmu_request_irq()

From: Ren Yu
Date: Mon Apr 25 2022 - 06:06:28 EST


When the function armpmu_request_irq() failed, goto err

Signed-off-by: Ren Yu <renyu@xxxxxxxxxxxx>
---
drivers/perf/arm_pmu_acpi.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/perf/arm_pmu_acpi.c b/drivers/perf/arm_pmu_acpi.c
index f5c7a845cd7b..96ffadd654ff 100644
--- a/drivers/perf/arm_pmu_acpi.c
+++ b/drivers/perf/arm_pmu_acpi.c
@@ -159,7 +159,9 @@ static int arm_pmu_acpi_parse_irqs(void)
* them with their PMUs.
*/
per_cpu(pmu_irqs, cpu) = irq;
- armpmu_request_irq(irq, cpu);
+ err = armpmu_request_irq(irq, cpu);
+ if (err)
+ goto out_err;
}

return 0;
--
2.25.1