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[2620:137:e000::1:20]) by mx.google.com with ESMTP id ka18si3585403ejc.507.2022.02.18.11.51.21; Fri, 18 Feb 2022 11:51:44 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=qS5kgw9d; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233501AbiBRSyK (ORCPT + 99 others); Fri, 18 Feb 2022 13:54:10 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:40180 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231234AbiBRSyJ (ORCPT ); Fri, 18 Feb 2022 13:54:09 -0500 Received: from mail-pl1-x635.google.com (mail-pl1-x635.google.com [IPv6:2607:f8b0:4864:20::635]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9888D1F05DF for ; Fri, 18 Feb 2022 10:53:52 -0800 (PST) Received: by mail-pl1-x635.google.com with SMTP id w20so7841687plq.12 for ; Fri, 18 Feb 2022 10:53:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=McwjLSLaytCtK7tV2i/coh6cpneHZuWc7h/cZMMLVaQ=; b=qS5kgw9dlzff3cynK7hHxw9gR3U0R6hubv+YKcGJnsGj3VYm2oM+4O8weoW2p2sZyw c20WORhh8vLskTonGbwQkhF8S2qVv87wVcmcCnpfCuniNqBKPpM3SHHkZI1UBVKT3hdc /YYE0ThFOusvkuKpKTcnSmn257veUPiLnnl1YAaAZJfOWUdbvmQIunP9HnqoMI57Y1p3 wrQfbe6PsnVJTG7l7cwGBJAlOs7W0U1A2yfEgqIt4vCTpNWdhS6rmjOn1/dRvj6lItI7 5a4xFx3R6iXDH5namFQ8U8M1i30J62YRRSyRjFQ671TIwRe1D0dHHSvemmvCUID/eKhv rtrw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=McwjLSLaytCtK7tV2i/coh6cpneHZuWc7h/cZMMLVaQ=; b=YTORiU7TjSP5qKK+TB31p463yeOZcMd5TiK7iQYR1qWeb97IvadA4GeJ4HTTrzyaMz /qkElveBIIMxCQZigsH++2+1eLOydMfatS9ymFkkq7zB2RBph3Igv8ZbFAr+CXP0Io6k njxWS9qhVxvfJ4aYAn5MZgBAciZ/7z6EQN0M8SbGv07TOmMLzjcTsw/eAgEzvZ4W6xq9 55qs4joK60t2BYFnmFEFoLNksZcqHlqqkR7MHuKVyZZ+EZ7UpjoBiMjGF6WfpmsU9JKv 4ZBi529DiVORRW4SaT9UgDd/5OtItMIsnM3sYruhfxgCu2LoBU8RdTrwBZcdWMyIkzZv v83w== X-Gm-Message-State: AOAM531NZg8Q5rM1gSnrDLptSdov0OpgUS/Fts3ryJdQtEoE5dNKMAgm 7VBVz6WGsQ7gV/Q2fQ7RrrM= X-Received: by 2002:a17:902:da82:b0:14d:c6d8:822f with SMTP id j2-20020a170902da8200b0014dc6d8822fmr8509644plx.55.1645210432081; Fri, 18 Feb 2022 10:53:52 -0800 (PST) Received: from localhost.localdomain ([2405:201:9005:88cd:7443:8052:dc37:e678]) by smtp.gmail.com with ESMTPSA id p2sm125106pjo.38.2022.02.18.10.53.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Feb 2022 10:53:51 -0800 (PST) From: Souptick Joarder To: alexander.deucher@amd.com, christian.koenig@amd.com, Xinhui.Pan@amd.com, airlied@linux.ie, daniel@ffwll.ch, nathan@kernel.org, desaulniers@google.com, Felix.Kuehling@amd.com, Oak.Zeng@amd.com, nirmoy.das@amd.com, jonathan.kim@amd.com, kevin1.wang@amd.com, tzimmermann@suse.de, Philip.Yang@amd.com Cc: amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev, "Souptick Joarder (HPE)" , kernel test robot Subject: [PATCH] drm/amdgpu: Initialize value of r in amdgpu_fill_buffer() Date: Sat, 19 Feb 2022 00:23:12 +0530 Message-Id: <20220218185312.34464-1-jrdr.linux@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham 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-kernel@vger.kernel.org From: "Souptick Joarder (HPE)" Kernel test robot reported warning -> drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c:2129:2: warning: Undefined or garbage value returned to caller [clang-analyzer-core. uninitialized.UndefReturn] Initialize r inside amdgpu_fill_buffer(). Reported-by: kernel test robot Signed-off-by: Souptick Joarder (HPE) --- drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 414a22dddc78..5fafb223177f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -2089,7 +2089,7 @@ int amdgpu_fill_buffer(struct amdgpu_bo *bo, struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring; struct dma_fence *fence = NULL; struct amdgpu_res_cursor dst; - int r; + int r = 0; if (!adev->mman.buffer_funcs_enabled) { DRM_ERROR("Trying to clear memory with ring turned off.\n"); -- 2.25.1