From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 89E0247CC70; Sat, 28 Feb 2026 17:54:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772301299; cv=none; b=Gq/xchz4lyF/FtpPDtMCMpYh2XsUs/xpJIGkDb7yhoDhWmRgvKydiEp2dc9eiRlOWlU4AOaQuL8bKWOSc8I5cubY4ftNIVGGZ5Lc8UnE4tm4sHNzibT7o1Sm/EGqpXlOXzeGZcnRQvYMQUucPgx4zR6oAEPBvzEXcbx00n2oYJo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772301299; c=relaxed/simple; bh=uDhIBphmjVucBZEpMpnFI3pSvL0pshqOZ7AL5MqU1Qk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=OsbGpmBbWj41dvUDyEuWNopssrxvEV2/hWeFYuuAmt0lYPSDULuMmWwDDX6O0DiSZeNjCcrdAupFY8e/gB1wNwe547BU6dUFLUOZs5V7UWtBiay9E2Q2qhVJepoM5zFogxJlYi9rV4Brffk7AQtJYVKAO6yriryacaypqYkbpz0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=hi9b0RKs; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="hi9b0RKs" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C36DFC116D0; Sat, 28 Feb 2026 17:54:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772301299; bh=uDhIBphmjVucBZEpMpnFI3pSvL0pshqOZ7AL5MqU1Qk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hi9b0RKsNqkM07yftwt43uX07z/Tlm+JExz8UDX+AZYDQZFjVPRUrgxZX4VNjSjyQ fKitxAuYugNcBNk2NQ8m+kOsDYfRt3NZCWK7SLFm2odfZqpgHoALqtpAZYEHTvSqi6 SM5Vb126LDgjdjJ90usgJOpsug5eZin7Xr/fx8vE0Ow2zrvig87h673FuyFgwASteO Natp5npnL3w976J/GURe2VaHNEP19G6FnlYIOvBEYCWBHK+Y1PPzA9PlzlIh9osy6u ME/bGLNEu5LPGGDoDAn523oaK8kt4iJShgAXXnMvrsWmBc3IXtTHMoXFH3wv4X4CFM igTMHHN3HK2IA== From: Sasha Levin To: patches@lists.linux.dev Cc: Haoxiang Li , stable@vger.kernel.org, Nicolas Dufresne , Hans Verkuil , Sasha Levin Subject: [PATCH 6.18 484/752] media: mtk-mdp: Fix a reference leak bug in mtk_mdp_remove() Date: Sat, 28 Feb 2026 12:43:15 -0500 Message-ID: <20260228174750.1542406-484-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228174750.1542406-1-sashal@kernel.org> References: <20260228174750.1542406-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit From: Haoxiang Li [ Upstream commit f128bab57b8018e526b7eda854ca20069863af47 ] In mtk_mdp_probe(), vpu_get_plat_device() increases the reference count of the returned platform device. Add platform_device_put() to prevent reference leak. Fixes: c8eb2d7e8202 ("[media] media: Add Mediatek MDP Driver") Cc: stable@vger.kernel.org Signed-off-by: Haoxiang Li Signed-off-by: Nicolas Dufresne Signed-off-by: Hans Verkuil Signed-off-by: Sasha Levin --- drivers/media/platform/mediatek/mdp/mtk_mdp_core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/media/platform/mediatek/mdp/mtk_mdp_core.c b/drivers/media/platform/mediatek/mdp/mtk_mdp_core.c index f78fa30f18648..8432833814f31 100644 --- a/drivers/media/platform/mediatek/mdp/mtk_mdp_core.c +++ b/drivers/media/platform/mediatek/mdp/mtk_mdp_core.c @@ -254,6 +254,7 @@ static void mtk_mdp_remove(struct platform_device *pdev) pm_runtime_disable(&pdev->dev); vb2_dma_contig_clear_max_seg_size(&pdev->dev); + platform_device_put(mdp->vpu_dev); mtk_mdp_unregister_m2m_device(mdp); v4l2_device_unregister(&mdp->v4l2_dev); -- 2.51.0