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=-0.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 1B588CA9EC0 for ; Mon, 28 Oct 2019 23:05:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DB3822054F for ; Mon, 28 Oct 2019 23:05:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="O9TIKJkW" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730274AbfJ1XFo (ORCPT ); Mon, 28 Oct 2019 19:05:44 -0400 Received: from mail-pg1-f173.google.com ([209.85.215.173]:37577 "EHLO mail-pg1-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729074AbfJ1XFo (ORCPT ); Mon, 28 Oct 2019 19:05:44 -0400 Received: by mail-pg1-f173.google.com with SMTP id p1so8049176pgi.4 for ; Mon, 28 Oct 2019 16:05:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:date:to:cc:subject:message-id:mime-version:content-disposition; bh=26Ax7q4nBo+9VwdgYwJaa63/aMJ+sIR3FftsIQLhllQ=; b=O9TIKJkWECHMIX9lLRK8M+gPE0STK493sc4034fjQXCncYBw4cfgth77b2EoevMYmn JoyWlbGl98W6Sgci6nXLuPRPvK3dqPabJwqLoWnecPHXmmbZtfevtx78r228QfjyXMHD D4YryoBwYBFil8qzkjeRaM24l0cR3iO9EzgCY= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:date:to:cc:subject:message-id:mime-version :content-disposition; bh=26Ax7q4nBo+9VwdgYwJaa63/aMJ+sIR3FftsIQLhllQ=; b=oferkA/0u4JauImaVa7DkIami5CFwQNo8E2we8a9cYWD5Kz1WG1ls/a7+TZzqp+dIA 8OKB94tOYEc65BjmKooSTGq4KMQaguadz+wxJlOYPufwKXjCPFfm68dlIYShDM2UNJrp sgwGu+NEAOBGU+QeFhBdbecNU2tKlubc6L3OqSFYC3PGCGs5LPqzYCHlCN+M0G2Sfj70 jVQ2OYNPRiBZLd/MfNVJQW2jVPmhP29J1hahgTlzuZa9Wdc1fSvzw2Y5JOSbEbvtMx/w T7vyRg6jn4gDL1c2I8ZYk118nA6FzcqhEuijUoGDOoZQIa608vCdqiihal5/lAW13Idf ki2Q== X-Gm-Message-State: APjAAAXwSPTqANxKIttpe5s4kdav8UTR9wI/yuwCCFkPlFPBuS/zmrfs Bq5H1+ZrdmkAot7N7CTfutLDcA== X-Google-Smtp-Source: APXvYqzQytD8vWZZbxwAizbiJV190h6qIx76iRXcRfonaCwDidvZjo/xsITJAossjb4W1BzZOh/aYw== X-Received: by 2002:aa7:90da:: with SMTP id k26mr23045734pfk.145.1572303942284; Mon, 28 Oct 2019 16:05:42 -0700 (PDT) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id b9sm12502067pfp.77.2019.10.28.16.05.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Oct 2019 16:05:41 -0700 (PDT) From: coverity-bot X-Google-Original-From: coverity-bot Date: Mon, 28 Oct 2019 16:05:40 -0700 To: Manasi Navare Cc: Maarten Lankhorst , "Gustavo A. R. Silva" , linux-next@vger.kernel.org Subject: Coverity: intel_set_dp_tp_ctl_normal(): Memory - illegal accesses Message-ID: <201910281605.5595C8C@keescook> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Sender: linux-next-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-next@vger.kernel.org Hello! This is an experimental automated report about issues detected by Coverity from a scan of next-20191025 as part of the linux-next weekly scan project: https://scan.coverity.com/projects/linux-next-weekly-scan You're getting this email because you were associated with the identified lines of code (noted below) that were touched by recent commits: eadf6f9170d5 ("drm/i915/display/icl: Enable master-slaves in trans port sync") Coverity reported the following: *** CID 1487364: Memory - illegal accesses (UNINIT) /drivers/gpu/drm/i915/display/intel_display.c: 14249 in intel_set_dp_tp_ctl_normal() 14243 int i; 14244 14245 for_each_new_connector_in_state(&state->base, conn, conn_state, i) { 14246 if (conn_state->crtc == &crtc->base) 14247 break; 14248 } vvv CID 1487364: Memory - illegal accesses (UNINIT) vvv Using uninitialized value "conn" when calling "intel_attached_encoder". 14249 intel_dp = enc_to_intel_dp(&intel_attached_encoder(conn)->base); 14250 intel_dp_stop_link_train(intel_dp); 14251 } 14252 14253 static void intel_post_crtc_enable_updates(struct intel_crtc *crtc, 14254 struct intel_atomic_state *state) If this is a false positive, please let us know so we can mark it as such, or teach the Coverity rules to be smarter. If not, please make sure fixes get into linux-next. :) For patches fixing this, please include: Reported-by: coverity-bot Addresses-Coverity-ID: 1487364 ("Memory - illegal accesses") Fixes: eadf6f9170d5 ("drm/i915/display/icl: Enable master-slaves in trans port sync") Thanks for your attention! -- Coverity-bot