From mboxrd@z Thu Jan 1 00:00:00 1970 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 59BDBC6FA82 for ; Sat, 10 Sep 2022 21:24:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229966AbiIJVYO (ORCPT ); Sat, 10 Sep 2022 17:24:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44422 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229761AbiIJVWr (ORCPT ); Sat, 10 Sep 2022 17:22:47 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BC7AD4DB24; Sat, 10 Sep 2022 14:18:53 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 1B2F560EC5; Sat, 10 Sep 2022 21:18:30 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D3369C43141; Sat, 10 Sep 2022 21:18:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1662844709; bh=lzvI08HxbeT3BDrPTiftpAaZxUwRATnxFpRa2DlgBPg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FyYcXomylNuZLG/GZomqqwgJ5ZwqpnSmYHBxd8dv3b4XOBi40HM82PErG/0GF2Tu+ m1TvtUuiRhpgjJ8H0nCsIvV+pwvjIFJmFc+2H7J8pb1j1V8tTYOPR6JSi0PJAYIPIX HbFtUbAW+8Ycll6v0BTS0oMBqHYzVVFGFcn5E7IJn16drc7SMyv9W7cJDUe1pipJym jEJtCTe+8FiOTDCpFR3BtbpwNH2KBM+HPKpc93QeKutK84DdshhJPCgX/MzIq/V1NQ 2fCk+5BKoVtRAeOYdLX7REjRV03bAmKnVgCjmtMQdj+DXT51XcGVFyUq+AzPToLDpH js1FE9aV8NATg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Yu Zhe , Will Deacon , Sasha Levin , mark.rutland@arm.com, linux-arm-kernel@lists.infradead.org Subject: [PATCH AUTOSEL 5.15 19/21] perf/arm_pmu_platform: fix tests for platform_get_irq() failure Date: Sat, 10 Sep 2022 17:17:50 -0400 Message-Id: <20220910211752.70291-19-sashal@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220910211752.70291-1-sashal@kernel.org> References: <20220910211752.70291-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Yu Zhe [ Upstream commit 6bb0d64c100091e131cd16710b62fda3319cd0af ] The platform_get_irq() returns negative error codes. It can't actually return zero. Signed-off-by: Yu Zhe Link: https://lore.kernel.org/r/20220825011844.8536-1-yuzhe@nfschina.com Signed-off-by: Will Deacon Signed-off-by: Sasha Levin --- drivers/perf/arm_pmu_platform.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/perf/arm_pmu_platform.c b/drivers/perf/arm_pmu_platform.c index 513de1f54e2d7..933b96e243b84 100644 --- a/drivers/perf/arm_pmu_platform.c +++ b/drivers/perf/arm_pmu_platform.c @@ -117,7 +117,7 @@ static int pmu_parse_irqs(struct arm_pmu *pmu) if (num_irqs == 1) { int irq = platform_get_irq(pdev, 0); - if (irq && irq_is_percpu_devid(irq)) + if ((irq > 0) && irq_is_percpu_devid(irq)) return pmu_parse_percpu_irq(pmu, irq); } -- 2.35.1