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 B8E2A35E94C; Sat, 28 Feb 2026 17:41:43 +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=1772300503; cv=none; b=ilk2ZhZDLo1D9ZnkbSmOHqefAV7QMZ1ylsV2HaYDYkfljC+XJ+UpUvx0g2FO2SPDi8rwdB/I8N890oN2ssilvc6k5GYRcKopL6trYZA+9SSc/tFrjO2gVO5XuEvJ9I/+EKbfAPIkbx/TR4vgluw0N1Y1VGhkK7JYdG4HZ5O6a+I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772300503; c=relaxed/simple; bh=uDhIBphmjVucBZEpMpnFI3pSvL0pshqOZ7AL5MqU1Qk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=e4wIS37XKd4n4VYWEqcxWIg5gc1+3a3sVueLIHx7plC458UQYffO30earSzdS3x0SL4BgdTJ0IrdpUQQl02uNqWyVMi7VfAhIM7uXftInEikmgivPrdmeGODdyqZuqcu5KReC3N3jN4+TXRAUTSMH5wtwfO6QnIhoYPKcicxO30= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=bdHj+sNM; 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="bdHj+sNM" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C463CC19423; Sat, 28 Feb 2026 17:41:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772300503; bh=uDhIBphmjVucBZEpMpnFI3pSvL0pshqOZ7AL5MqU1Qk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bdHj+sNMSFcOJQvUB+xdx1bUICShjsomHiDtm+yyO7Py2f/Gl4K/oDeQIR36zODPv DkEhkYTykhIi8VcRdJosMHLoUFwwHWfNieaa5kIKU5lYFsDS+OKvl8SXs5y0AdazHC 0dvgZGiLDn7gGmhK2H/Lt+9t/oIIwnTvN83bMDDiRBIgX0NFfYte292XcV5VS5R8vy JX7sOL2hQaaL912hzGCIeq1wNgUO5ioAWkC0auBm/GuP+LXPrtwTd8u5AIHZmcoJDs xILVzutHX6GgSPNWgaDACEw9K9Vhv7e2cy9+ggJeJrGJkJdlgweNdvXI2Li4RksRwD di95q9YVhGoow== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Haoxiang Li , Nicolas Dufresne , Hans Verkuil , Sasha Levin Subject: [PATCH 6.19 541/844] media: mtk-mdp: Fix a reference leak bug in mtk_mdp_remove() Date: Sat, 28 Feb 2026 12:27:34 -0500 Message-ID: <20260228173244.1509663-542-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228173244.1509663-1-sashal@kernel.org> References: <20260228173244.1509663-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org 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