perf: check return value of armpmu_request_irq()

When the function armpmu_request_irq() failed, goto err

Signed-off-by: Ren Yu <renyu@nfschina.com>
Link: https://lore.kernel.org/r/20220425100436.4881-1-renyu@nfschina.com
Signed-off-by: Will Deacon <will@kernel.org>

diff --git a/drivers/perf/arm_pmu_acpi.c b/drivers/perf/arm_pmu_acpi.c
index f5c7a845cd7bf24d9aec4778d2e155d630df1b6f..96ffadd654ff137b30a1ac5bf5520f959b93e4e8 100644 (file)
--- 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;