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 A7C42C46467 for ; Mon, 23 May 2022 18:13:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245240AbiEWSMy (ORCPT ); Mon, 23 May 2022 14:12:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43034 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241743AbiEWRf4 (ORCPT ); Mon, 23 May 2022 13:35:56 -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 AADEF87A0F; Mon, 23 May 2022 10:29:23 -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 3AFAF61194; Mon, 23 May 2022 17:28:33 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 42406C385A9; Mon, 23 May 2022 17:28:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1653326912; bh=wkVrRs3ZmXWibR3yswrRvgW92+HWI718OMiomhJwUwg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DBLiRQRGPlY1bTnUJNf3mptOGBGNjHk5/ECadAhAr6nMetD1+syA251B+7InjDk76 gaK+3qZgcQJ4/Wp0sfd8KzEnYTXsrS0hNZ3hcfwID8cL8KI/ji65Ppo5C08bnC1Njr B5SliDu4C9ZTwPpFZQ4pRD3+8435+KQxczZt1BcM= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Hangyu Hua , Lyude Paul Subject: [PATCH 5.17 065/158] drm/dp/mst: fix a possible memory leak in fetch_monitor_name() Date: Mon, 23 May 2022 19:03:42 +0200 Message-Id: <20220523165841.635430513@linuxfoundation.org> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220523165830.581652127@linuxfoundation.org> References: <20220523165830.581652127@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Hangyu Hua commit 6e03b13cc7d9427c2c77feed1549191015615202 upstream. drm_dp_mst_get_edid call kmemdup to create mst_edid. So mst_edid need to be freed after use. Signed-off-by: Hangyu Hua Reviewed-by: Lyude Paul Signed-off-by: Lyude Paul Cc: stable@vger.kernel.org Link: https://patchwork.freedesktop.org/patch/msgid/20220516032042.13166-1-hbh25y@gmail.com Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/drm_dp_mst_topology.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -4852,6 +4852,7 @@ static void fetch_monitor_name(struct dr mst_edid = drm_dp_mst_get_edid(port->connector, mgr, port); drm_edid_get_monitor_name(mst_edid, name, namelen); + kfree(mst_edid); } /**