From patchwork Tue Dec 10 10:46:24 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hanjun Guo X-Patchwork-Id: 11281855 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3811A112B for ; Tue, 10 Dec 2019 10:51:31 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 136802073B for ; Tue, 10 Dec 2019 10:51:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="CtcOX5ah" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 136802073B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=W5vo4u2aimfjycLoMjbOeLEGmEL1vE6aBgGayUtZbYA=; b=CtcOX5ah8On7i7 L4obOe+VoxOxtCK/ciPUhfSS+fhXLU9pEHxK01OVqGka2qKnXzfDGBMSpET3UR3T8mIE6q7uxtIBd zTerd6gD+Dkr0WggXUI1iarXVR8kWIsliIeervbTN9vZCtBJvjyqzKP1uLmq/uCYWrRlq/zrDF+3p Cb/QGL+JGguyQu/dc1tfD0dM+mwo3D1l1vmgXGxlqJyGXoZEzhH4jd2EO/7RwoUxa/5ZkLxMUryLA EHy0eZ/3osbIv4Jb9LW/MHmc/omVjgnSmvw9AElJRnNT4McGN6/4RCXSR23KGXRBBz5aLliJGSNtO eX+6/sWvcyfe+EShg3zA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1ied73-0006lL-GO; Tue, 10 Dec 2019 10:51:29 +0000 Received: from szxga04-in.huawei.com ([45.249.212.190] helo=huawei.com) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1ied70-0006jC-AG for linux-arm-kernel@lists.infradead.org; Tue, 10 Dec 2019 10:51:27 +0000 Received: from DGGEMS411-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id 52738FFCA710602A1368; Tue, 10 Dec 2019 18:51:14 +0800 (CST) Received: from linux-ibm.site (10.175.102.37) by DGGEMS411-HUB.china.huawei.com (10.3.19.211) with Microsoft SMTP Server id 14.3.439.0; Tue, 10 Dec 2019 18:51:05 +0800 From: Hanjun Guo To: Mark Rutland , Will Deacon Subject: [PATCH] perf/smmuv3: Remove the leftover put_cpu() in error path Date: Tue, 10 Dec 2019 18:46:24 +0800 Message-ID: <1575974784-55046-1-git-send-email-guohanjun@huawei.com> X-Mailer: git-send-email 1.7.12.4 MIME-Version: 1.0 X-Originating-IP: [10.175.102.37] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191210_025126_551290_A2C526E5 X-CRM114-Status: UNSURE ( 9.70 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [45.249.212.190 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Hanjun Guo , Robin Murphy , linux-arm-kernel@lists.infradead.org, Shameer Kolothum , linux-kernel@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org In smmu_pmu_probe(), there is put_cpu() in the error path, which is wrong because we use raw_smp_processor_id() to get the cpu ID, not get_cpu(), remove it. Signed-off-by: Hanjun Guo Acked-by: Robin Murphy --- drivers/perf/arm_smmuv3_pmu.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/perf/arm_smmuv3_pmu.c b/drivers/perf/arm_smmuv3_pmu.c index 773128f..fd1d46a 100644 --- a/drivers/perf/arm_smmuv3_pmu.c +++ b/drivers/perf/arm_smmuv3_pmu.c @@ -834,7 +834,6 @@ static int smmu_pmu_probe(struct platform_device *pdev) out_unregister: cpuhp_state_remove_instance_nocalls(cpuhp_state_num, &smmu_pmu->node); out_cpuhp_err: - put_cpu(); return err; }