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Tue, 27 Apr 2021 10:13:55 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 06263613D1; Tue, 27 Apr 2021 10:13:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1619518431; bh=dO1gD2vCTyNaQMmr4CD5RrufRsq5HOpPc9z13n0Rohk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kreVFPQyyC+gt6dxASA1KwIHM7ks8tRyxNcLuXn/lmMuigpR+ad9uCR0tmJJFUZOC MPZLTG9gNZ2+lQzLNVApsxsJS+GTaIRD8vhzg8lXUqwGmjoQ8ZlOEqXoag/sjjtxWv uO6jW1O6Sa57Xnj2KY8FgESId3A3y+jwy4eXq6/9wJvZbgM4+oxcre+ReRdGj3nqT4 0+CXXauGBWEmSZ/coF+VvxP7CJ3X23rxuQsVj6eisjF2AuBcf5L3Tc/79RcXEbzoBm Kjp+Gm+nH3MSvIKCO98uEPJ1b/BSDX/cGVMzBC3CbcY+MX/F79B8L6xKXbcbrTUl3W YLmslc9I4mHnQ== Received: by mail.kernel.org with local (Exim 4.94) (envelope-from ) id 1lbKiy-000j5M-QV; Tue, 27 Apr 2021 12:13:48 +0200 From: Mauro Carvalho Chehab To: Cc: linuxarm@huawei.com, mauro.chehab@huawei.com, Mauro Carvalho Chehab , Andrew-CT Chen , Matthias Brugger , Mauro Carvalho Chehab , Tiffany Lin , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-mediatek@lists.infradead.org Subject: [PATCH v2 16/79] media: mtk-vcodec: fix pm_runtime_get_sync() usage count Date: Tue, 27 Apr 2021 12:12:43 +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-20210427_031353_029270_DB3E5798 X-CRM114-Status: GOOD ( 10.41 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=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 and avoid memory leaks. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c index ddee7046ce42..fe096fe61c9d 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c @@ -92,9 +92,9 @@ void mtk_vcodec_dec_pw_on(struct mtk_vcodec_pm *pm) { int ret; - ret = pm_runtime_get_sync(pm->dev); + ret = pm_runtime_resume_and_get(pm->dev); if (ret) - mtk_v4l2_err("pm_runtime_get_sync fail %d", ret); + mtk_v4l2_err("pm_runtime_resume_and_get fail %d", ret); } void mtk_vcodec_dec_pw_off(struct mtk_vcodec_pm *pm) -- 2.30.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel