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=-9.5 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 5365DC10F27 for ; Tue, 10 Mar 2020 23:36:48 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0F52021927 for ; Tue, 10 Mar 2020 23:36:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Nw4rwu6a" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0F52021927 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1BD696E8ED; Tue, 10 Mar 2020 23:36:15 +0000 (UTC) Received: from mail-wr1-x444.google.com (mail-wr1-x444.google.com [IPv6:2a00:1450:4864:20::444]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4384D89F5B for ; Tue, 10 Mar 2020 13:31:31 +0000 (UTC) Received: by mail-wr1-x444.google.com with SMTP id p2so15086327wrw.7 for ; Tue, 10 Mar 2020 06:31:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=G149HR10JeFsH0MMHDPJ4uWLrRfOBJMgPlVLfjG9f5k=; b=Nw4rwu6aUJpGLWbL/FmdLWXay8R+N4E+Yd+oM/a/1JUyQ/3eLhcDQVpn5RpvOA+rWQ tQQNbixC7mjJaZs96APPYpAfhf3mPdj5BybhmS3c1vcmhxCdRMwzVOrmvIlZtevYnVly FN8ML5YKr04ARzKl2gM4bULFinfQm9XFPALiNCXABJYTxqWkTjdfWxGAjwjXWXcl3D3R IvPxtQWs8XAeXTN1Ai4MmVh2lOtSn3ksh+/vSL+PJtfUTPQJKTqAHx+oB+pvDinBiPY3 6yMfrPCpR67fvb5xcO+guIf80KuBtQnUcQFGIjheAPACQqNVgxTlEblOpYsEUnQD5643 oiEg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=G149HR10JeFsH0MMHDPJ4uWLrRfOBJMgPlVLfjG9f5k=; b=nizNZZxGn0ZSx5C4HZwtUIS3HgcBFpJBZlpweif57+bavGkrx82thBk12lIp8L+Rbk qdLgVELjMIAoeTNgER9tIc/ud0df8l1Yn8dXjWovDNFMniDPFc8vxlClPcuFbuuMT3j4 iAr9MAEcxiub3csXWG97NAckXEyozU8UPw3tHoFKAAbeJYV6zqXG32Oe0Da7nT3IQ0sL lp84A9OMbz2gAhbe9x/KRdLYW7l6o5asQZerI1ARzasx6tJZKn3YLbXOu6vh4vmVc5nU +EHqEYPizFLBCH0L2396Bjye0MFZahVjK7yQiE6nZJAVZwQ0f2cCXDtl50CHLZOZG/1E YVmQ== X-Gm-Message-State: ANhLgQ08P2ZF02UH9qYRquT1E/IIRKpBXzF762oTBK/k2zNQdvti7dsz pjZKKAGLezUXAOwIxlPN/7s= X-Google-Smtp-Source: ADFU+vtSPl822KtbbYb3HmqLrR+NNh2YHwYo2tqNxpGz1ftCSqNQ2O4HZyjzk9I9JZeYS6RK8V+MQg== X-Received: by 2002:adf:9d8b:: with SMTP id p11mr17168712wre.270.1583847089918; Tue, 10 Mar 2020 06:31:29 -0700 (PDT) Received: from localhost.localdomain ([197.248.222.210]) by smtp.googlemail.com with ESMTPSA id o7sm14047141wrx.60.2020.03.10.06.31.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Mar 2020 06:31:28 -0700 (PDT) From: Wambui Karuga To: airlied@linux.ie, daniel@ffwll.ch, Thierry Reding , Jonathan Hunter Subject: [PATCH v2 01/17] drm/tegra: remove checks for debugfs functions return value Date: Tue, 10 Mar 2020 16:31:05 +0300 Message-Id: <20200310133121.27913-2-wambui.karugax@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200310133121.27913-1-wambui.karugax@gmail.com> References: <20200310133121.27913-1-wambui.karugax@gmail.com> MIME-Version: 1.0 X-Mailman-Approved-At: Tue, 10 Mar 2020 23:36:13 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Since 987d65d01356 (drm: debugfs: make drm_debugfs_create_files() never fail) there is no need to check the return value of drm_debugfs_create_files(). Therefore, remove the return checks and error handling of the drm_debugfs_create_files() function from various debugfs init functions in drm/tegra and have them return 0 directly. v2: remove conversion of tegra_debugfs_init() to void to avoid build breakage. References: https://lists.freedesktop.org/archives/dri-devel/2020-February/257183.html Signed-off-by: Wambui Karuga --- drivers/gpu/drm/tegra/dc.c | 11 +---------- drivers/gpu/drm/tegra/drm.c | 7 ++++--- drivers/gpu/drm/tegra/dsi.c | 11 +---------- drivers/gpu/drm/tegra/hdmi.c | 11 +---------- drivers/gpu/drm/tegra/sor.c | 11 +---------- 5 files changed, 8 insertions(+), 43 deletions(-) diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c index 7c70fd31a4c2..e70d58b21964 100644 --- a/drivers/gpu/drm/tegra/dc.c +++ b/drivers/gpu/drm/tegra/dc.c @@ -1496,7 +1496,6 @@ static int tegra_dc_late_register(struct drm_crtc *crtc) struct drm_minor *minor = crtc->dev->primary; struct dentry *root; struct tegra_dc *dc = to_tegra_dc(crtc); - int err; #ifdef CONFIG_DEBUG_FS root = crtc->debugfs_entry; @@ -1512,17 +1511,9 @@ static int tegra_dc_late_register(struct drm_crtc *crtc) for (i = 0; i < count; i++) dc->debugfs_files[i].data = dc; - err = drm_debugfs_create_files(dc->debugfs_files, count, root, minor); - if (err < 0) - goto free; + drm_debugfs_create_files(dc->debugfs_files, count, root, minor); return 0; - -free: - kfree(dc->debugfs_files); - dc->debugfs_files = NULL; - - return err; } static void tegra_dc_early_unregister(struct drm_crtc *crtc) diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c index bd268028fb3d..6ec224f3d824 100644 --- a/drivers/gpu/drm/tegra/drm.c +++ b/drivers/gpu/drm/tegra/drm.c @@ -841,9 +841,10 @@ static struct drm_info_list tegra_debugfs_list[] = { static int tegra_debugfs_init(struct drm_minor *minor) { - return drm_debugfs_create_files(tegra_debugfs_list, - ARRAY_SIZE(tegra_debugfs_list), - minor->debugfs_root, minor); + drm_debugfs_create_files(tegra_debugfs_list, + ARRAY_SIZE(tegra_debugfs_list), + minor->debugfs_root, minor); + return 0; } #endif diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c index 88b9d64c77bf..30626fcf61eb 100644 --- a/drivers/gpu/drm/tegra/dsi.c +++ b/drivers/gpu/drm/tegra/dsi.c @@ -234,7 +234,6 @@ static int tegra_dsi_late_register(struct drm_connector *connector) struct drm_minor *minor = connector->dev->primary; struct dentry *root = connector->debugfs_entry; struct tegra_dsi *dsi = to_dsi(output); - int err; dsi->debugfs_files = kmemdup(debugfs_files, sizeof(debugfs_files), GFP_KERNEL); @@ -244,17 +243,9 @@ static int tegra_dsi_late_register(struct drm_connector *connector) for (i = 0; i < count; i++) dsi->debugfs_files[i].data = dsi; - err = drm_debugfs_create_files(dsi->debugfs_files, count, root, minor); - if (err < 0) - goto free; + drm_debugfs_create_files(dsi->debugfs_files, count, root, minor); return 0; - -free: - kfree(dsi->debugfs_files); - dsi->debugfs_files = NULL; - - return err; } static void tegra_dsi_early_unregister(struct drm_connector *connector) diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c index 6f117628f257..d7799d13d8ad 100644 --- a/drivers/gpu/drm/tegra/hdmi.c +++ b/drivers/gpu/drm/tegra/hdmi.c @@ -1064,7 +1064,6 @@ static int tegra_hdmi_late_register(struct drm_connector *connector) struct drm_minor *minor = connector->dev->primary; struct dentry *root = connector->debugfs_entry; struct tegra_hdmi *hdmi = to_hdmi(output); - int err; hdmi->debugfs_files = kmemdup(debugfs_files, sizeof(debugfs_files), GFP_KERNEL); @@ -1074,17 +1073,9 @@ static int tegra_hdmi_late_register(struct drm_connector *connector) for (i = 0; i < count; i++) hdmi->debugfs_files[i].data = hdmi; - err = drm_debugfs_create_files(hdmi->debugfs_files, count, root, minor); - if (err < 0) - goto free; + drm_debugfs_create_files(hdmi->debugfs_files, count, root, minor); return 0; - -free: - kfree(hdmi->debugfs_files); - hdmi->debugfs_files = NULL; - - return err; } static void tegra_hdmi_early_unregister(struct drm_connector *connector) diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c index 81226a4953c1..47c1d133069a 100644 --- a/drivers/gpu/drm/tegra/sor.c +++ b/drivers/gpu/drm/tegra/sor.c @@ -1687,7 +1687,6 @@ static int tegra_sor_late_register(struct drm_connector *connector) struct drm_minor *minor = connector->dev->primary; struct dentry *root = connector->debugfs_entry; struct tegra_sor *sor = to_sor(output); - int err; sor->debugfs_files = kmemdup(debugfs_files, sizeof(debugfs_files), GFP_KERNEL); @@ -1697,17 +1696,9 @@ static int tegra_sor_late_register(struct drm_connector *connector) for (i = 0; i < count; i++) sor->debugfs_files[i].data = sor; - err = drm_debugfs_create_files(sor->debugfs_files, count, root, minor); - if (err < 0) - goto free; + drm_debugfs_create_files(sor->debugfs_files, count, root, minor); return 0; - -free: - kfree(sor->debugfs_files); - sor->debugfs_files = NULL; - - return err; } static void tegra_sor_early_unregister(struct drm_connector *connector) -- 2.25.1 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel