From nobody Wed May 13 19:29:32 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 88F7CC433EF for ; Mon, 25 Apr 2022 10:06:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241493AbiDYKJ2 (ORCPT ); Mon, 25 Apr 2022 06:09:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47632 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241478AbiDYKIN (ORCPT ); Mon, 25 Apr 2022 06:08:13 -0400 Received: from mail.nfschina.com (unknown [IPv6:2400:dd01:100f:2:72e2:84ff:fe10:5f45]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 52A1E3586F for ; Mon, 25 Apr 2022 03:04:47 -0700 (PDT) Received: from localhost (unknown [127.0.0.1]) by mail.nfschina.com (Postfix) with ESMTP id 03D421E80D56; Mon, 25 Apr 2022 18:01:40 +0800 (CST) X-Virus-Scanned: amavisd-new at test.com Received: from mail.nfschina.com ([127.0.0.1]) by localhost (mail.nfschina.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id iGzNYuuDUnyk; Mon, 25 Apr 2022 18:01:37 +0800 (CST) Received: from localhost.localdomain (unknown [61.152.154.55]) (Authenticated sender: renyu@nfschina.com) by mail.nfschina.com (Postfix) with ESMTPA id 20A941E80CB5; Mon, 25 Apr 2022 18:01:37 +0800 (CST) From: Ren Yu To: will@kernel.org Cc: mark.rutland@arm.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, liqiong@nfschina.com, yuzhe@nfschina.com, Ren Yu Subject: [PATCH] perf: check return value of armpmu_request_irq() Date: Mon, 25 Apr 2022 18:04:36 +0800 Message-Id: <20220425100436.4881-1-renyu@nfschina.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" When the function armpmu_request_irq() failed, goto err Signed-off-by: Ren Yu --- 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) =3D irq; - armpmu_request_irq(irq, cpu); + err =3D armpmu_request_irq(irq, cpu); + if (err) + goto out_err; } =20 return 0; --=20 2.25.1