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 X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 916B5C3B19F for ; Fri, 14 Feb 2020 16:38:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6064C24684 for ; Fri, 14 Feb 2020 16:38:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581698309; bh=1ncGh5Rk9EITS77TL+pGGDb/7PSP3K5PnHevgyuW3vM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=n4UJ2QQSi+bO6cXOK3dMcndej4Xwv8taRLhQavSPiyNxRI34k5WHtYi8sBHzuMg7U 7pZPgS0FI1U27K6teK1s1s8qMe8H3KdMWxmW9i7RggehSgbJKAUfNZGQ+Z3UbLXfXk v69ezsJXL8HtOzV3M37fgjYm+zZWEri+enmgPy6Y= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404672AbgBNQX3 (ORCPT ); Fri, 14 Feb 2020 11:23:29 -0500 Received: from mail.kernel.org ([198.145.29.99]:59736 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2405651AbgBNQX2 (ORCPT ); Fri, 14 Feb 2020 11:23:28 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 031C624764; Fri, 14 Feb 2020 16:23:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581697407; bh=1ncGh5Rk9EITS77TL+pGGDb/7PSP3K5PnHevgyuW3vM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hXyy75tlWb4pnMA1c92ToC5bR3NYo+eAeCS8K4KAPQPJaxOHD14yqM48oBr+equjO gUfCH3ZnPlPQ8taaveNVciUWV9B0RODknRAN6l7k5DeGWMYHY8jHkaqsg9DnlOMEeu nkTN7x+IBgAY+VivpCoLRx+l3N/WvAOIH0UY82/E= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Navid Emamdoost , Thomas Hellstrom , Sasha Levin , dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 4.9 100/141] drm/vmwgfx: prevent memory leak in vmw_cmdbuf_res_add Date: Fri, 14 Feb 2020 11:20:40 -0500 Message-Id: <20200214162122.19794-100-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200214162122.19794-1-sashal@kernel.org> References: <20200214162122.19794-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Navid Emamdoost [ Upstream commit 40efb09a7f53125719e49864da008495e39aaa1e ] In vmw_cmdbuf_res_add if drm_ht_insert_item fails the allocated memory for cres should be released. Fixes: 18e4a4669c50 ("drm/vmwgfx: Fix compat shader namespace") Signed-off-by: Navid Emamdoost Reviewed-by: Thomas Hellstrom Signed-off-by: Thomas Hellstrom Signed-off-by: Sasha Levin --- drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c index 1f013d45c9e9a..0c7c3005594cc 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c @@ -210,8 +210,10 @@ int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, cres->hash.key = user_key | (res_type << 24); ret = drm_ht_insert_item(&man->resources, &cres->hash); - if (unlikely(ret != 0)) + if (unlikely(ret != 0)) { + kfree(cres); goto out_invalid_key; + } cres->state = VMW_CMDBUF_RES_ADD; cres->res = vmw_resource_reference(res); -- 2.20.1