From patchwork Mon Aug 29 16:54:50 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nathan Chancellor X-Patchwork-Id: 600881 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 6B126ECAAD5 for ; Mon, 29 Aug 2022 16:55:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229733AbiH2QzZ (ORCPT ); Mon, 29 Aug 2022 12:55:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49104 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231145AbiH2QzP (ORCPT ); Mon, 29 Aug 2022 12:55:15 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CC7F365A6; Mon, 29 Aug 2022 09:55:07 -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 ams.source.kernel.org (Postfix) with ESMTPS id 25DF9B8117E; Mon, 29 Aug 2022 16:55:05 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D01FAC433C1; Mon, 29 Aug 2022 16:55:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1661792103; bh=HiXBOm9dvzWK6mHglRBKim5I3iQDy4svVep8E5b0sME=; h=From:To:Cc:Subject:Date:From; b=FoHQL1KrEzneppmN3SgxX1IImlY1zrOwvKJF+GUdJRm5+H/HpCnTOtgJ6h/aNK/J4 JM2GTtzIl/wrW9a9+cmiP629/xcU8pZmfxHUA7R+HulqRJ7dWt7eTLiQnyT+725A5j XcVNJUAlfLSx8hSA29R+DX++apn0uqdeFHVPhTDAUIEDGXcq5yVtMoQiFEKrzn0lWs jCyEob3iychWRCGKEn3iLg7EYBwckUhb1c6jEBku8PHjerkshTRWyowPeiBiv6gVPx L3+bvNz+IWCI1ePD5z1S6HukDWKta+RxSBSwaXEGZg/zGor8U6PgwxWpTskJKfcSTZ 7cguOZzgEcctg== From: Nathan Chancellor To: Rob Clark , Abhinav Kumar , Dmitry Baryshkov Cc: Sean Paul , Nick Desaulniers , Tom Rix , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev, patches@lists.linux.dev, Nathan Chancellor Subject: [PATCH] drm/msm/dsi: Remove use of device_node in dsi_host_parse_dt() Date: Mon, 29 Aug 2022 09:54:50 -0700 Message-Id: <20220829165450.217628-1-nathan@kernel.org> X-Mailer: git-send-email 2.37.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Clang warns: drivers/gpu/drm/msm/dsi/dsi_host.c:1903:14: error: variable 'device_node' is uninitialized when used here [-Werror,-Wuninitialized] of_node_put(device_node); ^~~~~~~~~~~ drivers/gpu/drm/msm/dsi/dsi_host.c:1870:44: note: initialize the variable 'device_node' to silence this warning struct device_node *endpoint, *device_node; ^ = NULL 1 error generated. device_node's assignment was removed but not all of its uses. Remove the call to of_node_put() and the variable declaration to clean up the warning. Fixes: 5f8cdece42ff ("drm/msm/dsi: switch to DRM_PANEL_BRIDGE") Link: https://github.com/ClangBuiltLinux/linux/issues/1700 Signed-off-by: Nathan Chancellor Reviewed-by: Abhinav Kumar Reviewed-by: Dmitry Baryshkov --- drivers/gpu/drm/msm/dsi/dsi_host.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) base-commit: 5f8cdece42ff0c615e213b6619d29487f9f409d7 diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index 57a4c0fa614b..7fbf391c024f 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -1867,7 +1867,7 @@ static int dsi_host_parse_dt(struct msm_dsi_host *msm_host) { struct device *dev = &msm_host->pdev->dev; struct device_node *np = dev->of_node; - struct device_node *endpoint, *device_node; + struct device_node *endpoint; int ret = 0; /* @@ -1900,8 +1900,6 @@ static int dsi_host_parse_dt(struct msm_dsi_host *msm_host) } } - of_node_put(device_node); - err: of_node_put(endpoint);