perf: check return value of armpmu_request_irq()

When the function armpmu_request_irq() failed, goto err

Signed-off-by: Ren Yu <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Will Deacon <[email protected]>

Author: Ren Yu

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;