From patchwork Fri Sep 22 07:41:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?TW91ZHkgSG8gKOS9leWul+WOnyk=?= X-Patchwork-Id: 94961 X-Patchwork-Delegate: hverkuil@xs4all.nl Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from ) id 1qjang-00B2Ut-2d; Fri, 22 Sep 2023 07:42:08 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231700AbjIVHmK (ORCPT + 1 other); Fri, 22 Sep 2023 03:42:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59882 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231592AbjIVHmA (ORCPT ); Fri, 22 Sep 2023 03:42:00 -0400 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1972F18F; Fri, 22 Sep 2023 00:41:52 -0700 (PDT) X-UUID: 7d265c96591b11ee8051498923ad61e6-20230922 DKIM-Signature: v=1; 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Fri, 22 Sep 2023 15:41:49 +0800 Received: from mtkmbs13n2.mediatek.inc (172.21.101.108) by MTKMBS14N1.mediatek.inc (172.21.101.75) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Fri, 22 Sep 2023 15:41:48 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Fri, 22 Sep 2023 15:41:48 +0800 From: Moudy Ho To: Mauro Carvalho Chehab , Matthias Brugger , AngeloGioacchino Del Regno , Ping-Hsun Wu , daoyuan huang , "Hans Verkuil" CC: , , , , Moudy Ho Subject: [PATCH v6 13/13] media: platform: mtk-mdp3: fix uninitialized variable in mdp_path_config() Date: Fri, 22 Sep 2023 15:41:45 +0800 Message-ID: <20230922074145.11977-14-moudy.ho@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230922074145.11977-1-moudy.ho@mediatek.com> References: <20230922074145.11977-1-moudy.ho@mediatek.com> MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--1.823600-8.000000 X-TMASE-MatchedRID: KmnKUkn6ieOhL93N5VXnFISvKOGqLLPKFKliqHKCaOkqNag3uuW+4vhT 6/pHvNpJzmy+RYEtL0m0k1objFiL4GGN6M1vhJ4HXP5rFAucBUG4vBuE2X0HlVxTR00Ss4P6+Vi hXqn9xLHGUnHlYVkOyLEivwZSlRnNGbjm5ZdalUGeAiCmPx4NwGmRqNBHmBvepuP9zg477pEqtq 5d3cxkNRM5v80OeBIlEWExHZty1DxGMYElNJjuepGZ9wEbtJXwDMBYsHoRkg0CoZVi1XtD0xZOM F5EGm8nofEg3HTMQR5X0aNkMmvjXK/XFoPK0hZ9dATQdtPksR+3/JiWOe6GXXSWgQ2GpXdZhztL VWA1eE9DDKa3G4nrLQ== X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--1.823600-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 97E294BC74714BAF4319193F36B1863E47EFD0E8B321CD7A9527EA9A416A7C542000:8 X-MTK: N X-Spam-Status: No, score=-1.3 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED,RDNS_NONE, SPF_HELO_PASS,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-LSpam-Score: -2.5 (--) X-LSpam-Report: No, score=-2.5 required=5.0 tests=BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1,UNPARSEABLE_RELAY=0.001 autolearn=ham autolearn_force=no Fix the build warnings that were detected by the linux-media build scripts tool: drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c: In function 'mdp_path_config.isra': drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c:443:51: warning: 'ctx' may be used uninitialized [-Wmaybe-uninitialized] 443 | out = CFG_COMP(MT8195, ctx->param, outputs[0]); | ~~~^~~~~~~ drivers/media/platform/mediatek/mdp3/mtk-img-ipi.h:137:25: note: in definition of macro 'CFG_COMP' 137 | (IS_ERR_OR_NULL(comp) ? 0 : _CFG_COMP(plat, comp, mem)) | ^~~~ drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c:396:30: note: 'ctx' was declared here 396 | struct mdp_comp_ctx *ctx; | Fixes: 61890ccaefaf ("media: platform: mtk-mdp3: add MediaTek MDP3 driver") Signed-off-by: Moudy Ho --- drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c index 15a0b944745e..4a8d941178aa 100644 --- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c +++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-cmdq.c @@ -436,13 +436,13 @@ static int mdp_path_config(struct mdp_dev *mdp, struct mdp_cmdq_cmd *cmd, if (mdp_cfg_comp_is_dummy(path->mdp_dev, inner_id)) continue; + ctx = &path->comps[index]; if (CFG_CHECK(MT8183, p_id)) out = CFG_COMP(MT8183, ctx->param, outputs[0]); else if (CFG_CHECK(MT8195, p_id)) out = CFG_COMP(MT8195, ctx->param, outputs[0]); compose = path->composes[out]; - ctx = &path->comps[index]; ret = call_op(ctx, config_frame, cmd, compose); if (ret) return ret;