From: Ren Yu <renyu@nfschina.com>
Date: Mon, 25 Apr 2022 10:04:36 +0000 (+0800)
Subject: perf: check return value of armpmu_request_irq()
X-Git-Tag: v5.19-rc1~208^2~14
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4b5b7129095b265ba3bae8a6553d22a41e078b96;p=thirdparty%2Fkernel%2Flinux.git

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 f5c7a845cd7bf..96ffadd654ff1 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;