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 271D3C4167D for ; Thu, 14 Apr 2022 15:20:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1356592AbiDNPTT (ORCPT ); Thu, 14 Apr 2022 11:19:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42474 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347585AbiDNN7W (ORCPT ); Thu, 14 Apr 2022 09:59:22 -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 93CAF3E0F4; Thu, 14 Apr 2022 06:50:07 -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 2F92061DAA; Thu, 14 Apr 2022 13:50:07 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3E3ABC385A5; Thu, 14 Apr 2022 13:50:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1649944206; bh=+AkGY8+PhTH+ThLmE3nSHtM39Y6w3htVNAPSTX1ghcM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uqLKbm0N9jKm+HPT+TUPnXS725NLGS4NcIGsImTh7kbF5dj9ggWRQFc4xLgla7obh l5JMvzfA9nVj3a7UOL/F9rSJOzVATKKTIjOXpVhg0R1iXTBuNA3VM8uunZuxR1e3qE YC3EX73n01YRf+JmDToGmviaGgUuORikZVmDa4Xc= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, =?UTF-8?q?Jos=C3=A9=20Exp=C3=B3sito?= , Philipp Zabel , Sasha Levin Subject: [PATCH 5.4 430/475] drm/imx: Fix memory leak in imx_pd_connector_get_modes Date: Thu, 14 Apr 2022 15:13:35 +0200 Message-Id: <20220414110907.097967340@linuxfoundation.org> X-Mailer: git-send-email 2.35.2 In-Reply-To: <20220414110855.141582785@linuxfoundation.org> References: <20220414110855.141582785@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: José Expósito [ Upstream commit bce81feb03a20fca7bbdd1c4af16b4e9d5c0e1d3 ] Avoid leaking the display mode variable if of_get_drm_display_mode fails. Fixes: 76ecd9c9fb24 ("drm/imx: parallel-display: check return code from of_get_drm_display_mode()") Addresses-Coverity-ID: 1443943 ("Resource leak") Signed-off-by: José Expósito Signed-off-by: Philipp Zabel Link: https://lore.kernel.org/r/20220108165230.44610-1-jose.exposito89@gmail.com Signed-off-by: Sasha Levin --- drivers/gpu/drm/imx/parallel-display.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c index be55548f352a..e24272428744 100644 --- a/drivers/gpu/drm/imx/parallel-display.c +++ b/drivers/gpu/drm/imx/parallel-display.c @@ -68,8 +68,10 @@ static int imx_pd_connector_get_modes(struct drm_connector *connector) ret = of_get_drm_display_mode(np, &imxpd->mode, &imxpd->bus_flags, OF_USE_NATIVE_MODE); - if (ret) + if (ret) { + drm_mode_destroy(connector->dev, mode); return ret; + } drm_mode_copy(mode, &imxpd->mode); mode->type |= DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED, -- 2.35.1