From patchwork Wed Apr 28 14:51:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mauro Carvalho Chehab X-Patchwork-Id: 12229047 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,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 8EB2BC43611 for ; Wed, 28 Apr 2021 14:54:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 509B26143E for ; Wed, 28 Apr 2021 14:54:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240421AbhD1Oxy (ORCPT ); Wed, 28 Apr 2021 10:53:54 -0400 Received: from mail.kernel.org ([198.145.29.99]:36366 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240292AbhD1Oxa (ORCPT ); Wed, 28 Apr 2021 10:53:30 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 104BD61482; Wed, 28 Apr 2021 14:52:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1619621564; bh=kZnJ3c5lxpnyMUPcou0x/B7YpZdYmZe9W/fJf9NvZfI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=oSFD5gjj1UhSA5WJUYg4n0cCSF6kFkwx1Z8v9LX72qbiifLtfs4O1M80mPTmB3eiD 1Z3J6u++rlX0YrXAOv52opoAPVUF8J+4HEipvqGNBiUUP9+sRWU+o5F6usoKHSmFN3 cw7tzFyLyyXm0tbSNHbbrYXx6bp77puSsAxEskJJbQiaGlFvfthvfT2F2fZPAbuVuZ hR4kRBVabfZyU1ygSCPEgS/ehEcYcOWjh/j4SrJb/vQpr/uvfzRu+ku5zpoc3/2S4H MdaO1KxTiCxV9v3hblGbNnAwcEBnkLskuGC7XS5upffVde2RDJy9RoRGsbxw1N1uNw 70d/68RpzcNVQ== Received: by mail.kernel.org with local (Exim 4.94) (envelope-from ) id 1lblYQ-001DqP-1s; Wed, 28 Apr 2021 16:52:42 +0200 From: Mauro Carvalho Chehab Cc: linuxarm@huawei.com, mauro.chehab@huawei.com, Mauro Carvalho Chehab , Andrzej Pietrasiewicz , Jacek Anaszewski , Mauro Carvalho Chehab , Sylwester Nawrocki , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org Subject: [PATCH v4 17/79] media: s5p-jpeg: fix pm_runtime_get_sync() usage count Date: Wed, 28 Apr 2021 16:51:38 +0200 Message-Id: <83a1f7979382d5d5c44964baae819589c94d80c2.1619621413.git.mchehab+huawei@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: References: MIME-Version: 1.0 Sender: Mauro Carvalho Chehab To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-media@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 and avoid memory leaks. Reviewed-by: Sylwester Nawrocki Acked-by: Andrzej Pietrasiewicz Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/s5p-jpeg/jpeg-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.c b/drivers/media/platform/s5p-jpeg/jpeg-core.c index 026111505f5a..c4f19418a460 100644 --- a/drivers/media/platform/s5p-jpeg/jpeg-core.c +++ b/drivers/media/platform/s5p-jpeg/jpeg-core.c @@ -2568,7 +2568,7 @@ static int s5p_jpeg_start_streaming(struct vb2_queue *q, unsigned int count) struct s5p_jpeg_ctx *ctx = vb2_get_drv_priv(q); int ret; - ret = pm_runtime_get_sync(ctx->jpeg->dev); + ret = pm_runtime_resume_and_get(ctx->jpeg->dev); return ret > 0 ? 0 : ret; }