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 5771415CAB for ; Tue, 8 Nov 2022 13:49:00 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CA5C9C433C1; Tue, 8 Nov 2022 13:48:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1667915340; bh=LD0hUez/+4eQ/JcqQmqxn2cEjEtVgr9CXGubJIH/Jtg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=t8Bs5aFgW81YHE4j16Iw124ua8VNdQ7ZCIy6Sk7gQrGGa6HEfN0bDSTwnLKBYXcb+ O8AGsASWHzPf2FYH46kSUOqElFWyaVPUQE09BMuf7iiElKVeSnQgtGgoqbPBPFe/V6 z+d8vrppOhoGY2U5fTI+pLPKQ74JF1SRyYt23FdA= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Hangyu Hua , Hans Verkuil , Mauro Carvalho Chehab , Sasha Levin Subject: [PATCH 5.4 33/74] media: meson: vdec: fix possible refcount leak in vdec_probe() Date: Tue, 8 Nov 2022 14:39:01 +0100 Message-Id: <20221108133335.083851879@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221108133333.659601604@linuxfoundation.org> References: <20221108133333.659601604@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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