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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 510FBFA3743 for ; Tue, 1 Nov 2022 11:37:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231239AbiKALhi (ORCPT ); Tue, 1 Nov 2022 07:37:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49072 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229824AbiKALhL (ORCPT ); Tue, 1 Nov 2022 07:37:11 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E97181D0EF; Tue, 1 Nov 2022 04:32:02 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 57281615FB; Tue, 1 Nov 2022 11:31:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7BC6BC43140; Tue, 1 Nov 2022 11:31:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1667302268; bh=LD0hUez/+4eQ/JcqQmqxn2cEjEtVgr9CXGubJIH/Jtg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lc1fFQmtZMJ5icOpHseNSqPWED6HhDZlhjctrN8SIkQKH736XGah+X5m0NGbunqwe D2IJ5nAf8pMqyPzpYk/5e7RedhWERwYn8RcIQ2Byzy6aaGerSuauUO3C+da4SJr9VX 2AN67HJQnePNiRh/FSd7VXHJS997qxKOBCdDNcPQtupcGX57iS6ctr+JF+/YGkrJXu 1a0vPyeU6AII2giOIJBs3ksFH9CTzCh7PN50S2alp3+biYQYGX9gOCC346BKC3xulU thwYzy7n/8Fw1fuNRQC5h4N75OCgQwiMZGBvrCq/G12PGFs7waDqJSWH0SzHk6W8MW SHuSh/4RkFwrg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Hangyu Hua , Hans Verkuil , Mauro Carvalho Chehab , Sasha Levin , neil.armstrong@linaro.org, gregkh@linuxfoundation.org, khilman@baylibre.com, linux-media@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-staging@lists.linux.dev, linux-arm-kernel@lists.infradead.org Subject: [PATCH AUTOSEL 5.4 4/8] media: meson: vdec: fix possible refcount leak in vdec_probe() Date: Tue, 1 Nov 2022 07:30:53 -0400 Message-Id: <20221101113059.800777-4-sashal@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20221101113059.800777-1-sashal@kernel.org> References: <20221101113059.800777-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Hangyu Hua [ Upstream commit 7718999356234d9cc6a11b4641bb773928f1390f ] v4l2_device_unregister need to be called to put the refcount got by v4l2_device_register when vdec_probe fails or vdec_remove is called. Signed-off-by: Hangyu Hua Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Sasha Levin --- drivers/staging/media/meson/vdec/vdec.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/staging/media/meson/vdec/vdec.c b/drivers/staging/media/meson/vdec/vdec.c index 8dd1396909d7..a242bbe23ba2 100644 --- a/drivers/staging/media/meson/vdec/vdec.c +++ b/drivers/staging/media/meson/vdec/vdec.c @@ -1074,6 +1074,7 @@ static int vdec_probe(struct platform_device *pdev) err_vdev_release: video_device_release(vdev); + v4l2_device_unregister(&core->v4l2_dev); return ret; } @@ -1082,6 +1083,7 @@ static int vdec_remove(struct platform_device *pdev) struct amvdec_core *core = platform_get_drvdata(pdev); video_unregister_device(core->vdev_dec); + v4l2_device_unregister(&core->v4l2_dev); return 0; } -- 2.35.1