From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A1BBB70 for ; Wed, 5 May 2021 09:42:19 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id D4B2861106; Wed, 5 May 2021 09:42:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1620207738; bh=Ge/Ah7ICxGTEtJ+zpzc3S/dZD8dc9zPvBoOlbXMznLs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aKdc/dLsQD5sO9k0fCMqOXnJ7qgJpGvzD3Kqmvh7aGjc+vOIc7pwwIUP3UwHCZ3GO nNL/E4OfhDT7M9e/GRXA7RfzmmBq8Amn1JODFN6yHTUIO8Ybviylgr6qLMEYV1DvsO U9Kigw+mIcaBTfuHrNCTPfmiE/R/P1RPhWBCqTNa7CbzP78Lw58K1NP5ulzghcukiN BzOr6k86KO6+W32Wnxg31jRaVclTzaBLR4tJuk5htHWTwaof4PXDRRPd/pVrz+DjiZ y2jjAPEfhLEtVj8Z5tSbwbNdY0VsI9rN3LT6wwxP4ljHZA6sfD42vFsqQH44Skxa0h BmNrU6nJGCccw== Received: by mail.kernel.org with local (Exim 4.94) (envelope-from ) id 1leE2q-00AHvr-Jj; Wed, 05 May 2021 11:42:16 +0200 From: Mauro Carvalho Chehab To: Cc: linuxarm@huawei.com, mauro.chehab@huawei.com, Mauro Carvalho Chehab , Ezequiel Garcia , Greg Kroah-Hartman , Mauro Carvalho Chehab , linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev Subject: [PATCH 01/25] staging: media: rkvdec: fix pm_runtime_get_sync() usage count Date: Wed, 5 May 2021 11:41:51 +0200 Message-Id: X-Mailer: git-send-email 2.30.2 In-Reply-To: References: X-Mailing-List: linux-staging@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: Mauro Carvalho Chehab The pm_runtime_get_sync() internally increments the dev->power.usage_count without decrementing it, even on errors. Replace it by the new pm_runtime_resume_and_get(), introduced by: commit dd8088d5a896 ("PM: runtime: Add pm_runtime_resume_and_get to deal with usage counter") in order to properly decrement the usage counter, avoiding a potential PM usage counter leak. Reviewed-by: Ezequiel Garcia Signed-off-by: Mauro Carvalho Chehab --- drivers/staging/media/rkvdec/rkvdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/media/rkvdec/rkvdec.c b/drivers/staging/media/rkvdec/rkvdec.c index d821661d30f3..8c17615f3a7a 100644 --- a/drivers/staging/media/rkvdec/rkvdec.c +++ b/drivers/staging/media/rkvdec/rkvdec.c @@ -658,7 +658,7 @@ static void rkvdec_device_run(void *priv) if (WARN_ON(!desc)) return; - ret = pm_runtime_get_sync(rkvdec->dev); + ret = pm_runtime_resume_and_get(rkvdec->dev); if (ret < 0) { rkvdec_job_finish_no_pm(ctx, VB2_BUF_STATE_ERROR); return; -- 2.30.2 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 X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5D416C43603 for ; Wed, 5 May 2021 09:42:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 34178613FB for ; Wed, 5 May 2021 09:42:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232515AbhEEJnS (ORCPT ); Wed, 5 May 2021 05:43:18 -0400 Received: from mail.kernel.org ([198.145.29.99]:48216 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231958AbhEEJnQ (ORCPT ); Wed, 5 May 2021 05:43:16 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id D4B2861106; Wed, 5 May 2021 09:42:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1620207738; bh=Ge/Ah7ICxGTEtJ+zpzc3S/dZD8dc9zPvBoOlbXMznLs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aKdc/dLsQD5sO9k0fCMqOXnJ7qgJpGvzD3Kqmvh7aGjc+vOIc7pwwIUP3UwHCZ3GO nNL/E4OfhDT7M9e/GRXA7RfzmmBq8Amn1JODFN6yHTUIO8Ybviylgr6qLMEYV1DvsO U9Kigw+mIcaBTfuHrNCTPfmiE/R/P1RPhWBCqTNa7CbzP78Lw58K1NP5ulzghcukiN BzOr6k86KO6+W32Wnxg31jRaVclTzaBLR4tJuk5htHWTwaof4PXDRRPd/pVrz+DjiZ y2jjAPEfhLEtVj8Z5tSbwbNdY0VsI9rN3LT6wwxP4ljHZA6sfD42vFsqQH44Skxa0h BmNrU6nJGCccw== Received: by mail.kernel.org with local (Exim 4.94) (envelope-from ) id 1leE2q-00AHvr-Jj; Wed, 05 May 2021 11:42:16 +0200 From: Mauro Carvalho Chehab Cc: linuxarm@huawei.com, mauro.chehab@huawei.com, Mauro Carvalho Chehab , Ezequiel Garcia , Greg Kroah-Hartman , Mauro Carvalho Chehab , linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev Subject: [PATCH 01/25] staging: media: rkvdec: fix pm_runtime_get_sync() usage count Date: Wed, 5 May 2021 11:41:51 +0200 Message-Id: X-Mailer: git-send-email 2.30.2 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: Mauro Carvalho Chehab To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The pm_runtime_get_sync() internally increments the dev->power.usage_count without decrementing it, even on errors. Replace it by the new pm_runtime_resume_and_get(), introduced by: commit dd8088d5a896 ("PM: runtime: Add pm_runtime_resume_and_get to deal with usage counter") in order to properly decrement the usage counter, avoiding a potential PM usage counter leak. Reviewed-by: Ezequiel Garcia Signed-off-by: Mauro Carvalho Chehab --- drivers/staging/media/rkvdec/rkvdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/media/rkvdec/rkvdec.c b/drivers/staging/media/rkvdec/rkvdec.c index d821661d30f3..8c17615f3a7a 100644 --- a/drivers/staging/media/rkvdec/rkvdec.c +++ b/drivers/staging/media/rkvdec/rkvdec.c @@ -658,7 +658,7 @@ static void rkvdec_device_run(void *priv) if (WARN_ON(!desc)) return; - ret = pm_runtime_get_sync(rkvdec->dev); + ret = pm_runtime_resume_and_get(rkvdec->dev); if (ret < 0) { rkvdec_job_finish_no_pm(ctx, VB2_BUF_STATE_ERROR); return; -- 2.30.2 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 X-Spam-Level: X-Spam-Status: No, score=-17.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3D185C433B4 for ; Wed, 5 May 2021 09:42:53 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (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 03267613ED for ; Wed, 5 May 2021 09:42:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 03267613ED Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:Cc:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=H4kUfWpy2sgzMvvu6WLd2QuCkxOQinwT4jTbVvKaOg8=; b=JVhiZvFEhkDJbEh2cxEU++kN1 md6maq/LExM/m3snynTGF/m8M7EqtHD/bEM2Sn6sUO6GOw+YuD9QMcNMBqW7mHD5pEcJupsqnPvoa L7ZDP/AzWSQ5gGy6hwLlau53vNa+LBbJy+qrZyDkAaDMn+F41qUM67QRqhvS36PGOaPRd687j8m42 8FilorBpR6At+tirqCiQ35B3Us2Oj8B4c1ekxZXyfKU0f0gF+9ScKFY0DJQhzvKfj2fGk+PwIbIWB TMs8ZIToRZ5tD7b25UHpzzmeXIdI6RPPl0ZE+IUzaj5sI+s614EALQD/FjJomnAOv0aEs9Vr1RtYE ZvkbCbfmQ==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1leE3K-000lEq-RO; Wed, 05 May 2021 09:42:46 +0000 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1leE2x-000l4O-Cm for linux-rockchip@desiato.infradead.org; Wed, 05 May 2021 09:42:23 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Sender:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description; bh=5r7OzKRkv47fhzfFSxUspYabIaVgHv3zSrm9kTksCTY=; b=WXV7R5lanNQ4xkSe9/8ZjJbFIT n1Z5Ey+7ck/xmqHQal4he6ptECTf6Yfs95BmkAcOWWqLUEVSwx2/DnxNt5Y2buaKnqJf//YS6cuJs Ij+sK51ni5Zae0/Bgz3Y1Nt+5D4iXyozaUcczTqUl1s3BskdvQvuFny2yuL/j630TDWZV5pA2Ie2j 7h35VA4y+h3jzx3onRkoxAmYSqwWy257zuMXt3RlWV9B3sX3eLaIrra6Z8OVQXf6ILBUNnOI54xPE 1lHEcaHS5b1beQvrwdwJgouH07aUdbm5/qi6fy9GNxWzM93MImtGoalI+N3uev1PBE9DbiO8+Os/w bSQT16+A==; Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1leE2u-004cct-5A for linux-rockchip@lists.infradead.org; Wed, 05 May 2021 09:42:22 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id D4B2861106; Wed, 5 May 2021 09:42:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1620207738; bh=Ge/Ah7ICxGTEtJ+zpzc3S/dZD8dc9zPvBoOlbXMznLs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aKdc/dLsQD5sO9k0fCMqOXnJ7qgJpGvzD3Kqmvh7aGjc+vOIc7pwwIUP3UwHCZ3GO nNL/E4OfhDT7M9e/GRXA7RfzmmBq8Amn1JODFN6yHTUIO8Ybviylgr6qLMEYV1DvsO U9Kigw+mIcaBTfuHrNCTPfmiE/R/P1RPhWBCqTNa7CbzP78Lw58K1NP5ulzghcukiN BzOr6k86KO6+W32Wnxg31jRaVclTzaBLR4tJuk5htHWTwaof4PXDRRPd/pVrz+DjiZ y2jjAPEfhLEtVj8Z5tSbwbNdY0VsI9rN3LT6wwxP4ljHZA6sfD42vFsqQH44Skxa0h BmNrU6nJGCccw== Received: by mail.kernel.org with local (Exim 4.94) (envelope-from ) id 1leE2q-00AHvr-Jj; Wed, 05 May 2021 11:42:16 +0200 From: Mauro Carvalho Chehab To: Cc: linuxarm@huawei.com, mauro.chehab@huawei.com, Mauro Carvalho Chehab , Ezequiel Garcia , Greg Kroah-Hartman , Mauro Carvalho Chehab , linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev Subject: [PATCH 01/25] staging: media: rkvdec: fix pm_runtime_get_sync() usage count Date: Wed, 5 May 2021 11:41:51 +0200 Message-Id: X-Mailer: git-send-email 2.30.2 In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210505_024220_252936_5B2C55A7 X-CRM114-Status: GOOD ( 10.83 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org The pm_runtime_get_sync() internally increments the dev->power.usage_count without decrementing it, even on errors. Replace it by the new pm_runtime_resume_and_get(), introduced by: commit dd8088d5a896 ("PM: runtime: Add pm_runtime_resume_and_get to deal with usage counter") in order to properly decrement the usage counter, avoiding a potential PM usage counter leak. Reviewed-by: Ezequiel Garcia Signed-off-by: Mauro Carvalho Chehab --- drivers/staging/media/rkvdec/rkvdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/media/rkvdec/rkvdec.c b/drivers/staging/media/rkvdec/rkvdec.c index d821661d30f3..8c17615f3a7a 100644 --- a/drivers/staging/media/rkvdec/rkvdec.c +++ b/drivers/staging/media/rkvdec/rkvdec.c @@ -658,7 +658,7 @@ static void rkvdec_device_run(void *priv) if (WARN_ON(!desc)) return; - ret = pm_runtime_get_sync(rkvdec->dev); + ret = pm_runtime_resume_and_get(rkvdec->dev); if (ret < 0) { rkvdec_job_finish_no_pm(ctx, VB2_BUF_STATE_ERROR); return; -- 2.30.2 _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip