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 A6653BA49 for ; Tue, 7 Mar 2023 18:54:58 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0A784C433D2; Tue, 7 Mar 2023 18:54:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1678215298; bh=wEVW0JzI0EkYLd07gxPusJD1eK597oaWwl7r2977wek=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jG3Qcg0ThzN3LYn5x+IHowfTazVFzZizf6n5UdQNsFjomZd7NgcLzjN4Y9woeX+eY LMkmcoPl+XKRqhWPE8pvhtDInGFVGSzk8fadEbnoDrgFIvX67OFXw4NNOrUdmHXE2X yLHhXrDvrRTpQYQEmzqsU/X6/xfSwpXunNJdfD24= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Rob Clark , Chun-Kuang Hu , Sasha Levin Subject: [PATCH 5.15 215/567] drm/mediatek: Drop unbalanced obj unref Date: Tue, 7 Mar 2023 17:59:11 +0100 Message-Id: <20230307165915.215739145@linuxfoundation.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230307165905.838066027@linuxfoundation.org> References: <20230307165905.838066027@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: Rob Clark [ Upstream commit 4deef811828e87e26a978d5d6433b261d4713849 ] In the error path, mtk_drm_gem_object_mmap() is dropping an obj reference that it doesn't own. Fixes: 119f5173628a ("drm/mediatek: Add DRM Driver for Mediatek SoC MT8173.") Signed-off-by: Rob Clark Link: https://patchwork.kernel.org/project/linux-mediatek/patch/20230119231255.2883365-1-robdclark@gmail.com/ Signed-off-by: Chun-Kuang Hu Signed-off-by: Sasha Levin --- drivers/gpu/drm/mediatek/mtk_drm_gem.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_gem.c b/drivers/gpu/drm/mediatek/mtk_drm_gem.c index fd85e6bfb9545..726a34c4725c4 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_gem.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_gem.c @@ -164,8 +164,6 @@ static int mtk_drm_gem_object_mmap(struct drm_gem_object *obj, ret = dma_mmap_attrs(priv->dma_dev, vma, mtk_gem->cookie, mtk_gem->dma_addr, obj->size, mtk_gem->dma_attrs); - if (ret) - drm_gem_vm_close(vma); return ret; } -- 2.39.2