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=-9.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 43825C04AAF for ; Mon, 20 May 2019 08:24:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1895C2085A for ; Mon, 20 May 2019 08:24:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ffwll.ch header.i=@ffwll.ch header.b="LVMcjUHi" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731603AbfETIYC (ORCPT ); Mon, 20 May 2019 04:24:02 -0400 Received: from mail-ed1-f66.google.com ([209.85.208.66]:36209 "EHLO mail-ed1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731347AbfETIWi (ORCPT ); Mon, 20 May 2019 04:22:38 -0400 Received: by mail-ed1-f66.google.com with SMTP id a8so22559349edx.3 for ; Mon, 20 May 2019 01:22:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ffwll.ch; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=9Yo/Zer+8+iZGO3QV40bLkqCAAdgnz/HLbmfJGGYr+Q=; b=LVMcjUHiu9elaHcvju6oijD096OkeD1rCO8uoQPNTGt0fOEVW6lb2YqOePOduwuC0R SnyyUwKDlhWGsP/P/rOme7Yyry2xo+zUigmnV26HCAqtqU23iZdbgd4nAQI2lcc6rkIS EhuEwvu9OKdJNj15SzU/r8nEGq/huZCyYiE5g= 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=9Yo/Zer+8+iZGO3QV40bLkqCAAdgnz/HLbmfJGGYr+Q=; b=tSH/IR+oH21cDnu1w4d1GxSJLpJOqmx7kPZ6Awd9mJvnqTQ1kqgiMRvYksPhvfhess 5VO0EfHhg5rIV96YCuoZ7AC4etF7kFx9VvwJGWLmH5veTI9cwS/uMyOmwB9lfW+g+e+V MqT5iHaW9RWZ0gXIkQfR7/UlC76XYWpPyYWIjWx3l6WelVsRFSD5I6Kekatg238DjMSc ffHLqUAiQFQ5NkBsi1vN1h6g4Uu7mDLfsNv+MGahu/X5VsxqZcyAIGKcE3zR5YJwUCce aBWmXbb8tDJsxQmBS/BQIbm1BRLtMfEer69suVfJbLiDM64TkSn3sqOe3OEN8Fft/kdK B2QQ== X-Gm-Message-State: APjAAAX/8gBcQH93OghxL8vDjW1NH08LA914HABLxye/gZuxhAspVC3b sc/pd9OMnofrOJomEQ7E9iiTqA== X-Google-Smtp-Source: APXvYqzSNedje/GrhvJfy+yDfT67EfzYCBA9dSKXp3EwKybc9/rxqIqDEBVyCwEsyZ9DjbZ6qFx3XQ== X-Received: by 2002:a17:906:66c9:: with SMTP id k9mr9493808ejp.21.1558340557540; Mon, 20 May 2019 01:22:37 -0700 (PDT) Received: from phenom.ffwll.local ([2a02:168:569e:0:3106:d637:d723:e855]) by smtp.gmail.com with ESMTPSA id t25sm3021263ejx.8.2019.05.20.01.22.36 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 20 May 2019 01:22:36 -0700 (PDT) From: Daniel Vetter To: DRI Development Cc: Intel Graphics Development , LKML , Daniel Vetter , Bartlomiej Zolnierkiewicz , Rob Clark Subject: [PATCH 13/33] fbdev: sysfs files can't disappear before the device is gone Date: Mon, 20 May 2019 10:21:56 +0200 Message-Id: <20190520082216.26273-14-daniel.vetter@ffwll.ch> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190520082216.26273-1-daniel.vetter@ffwll.ch> References: <20190520082216.26273-1-daniel.vetter@ffwll.ch> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Which means lock_fb_info can never fail. Remove the error handling. Signed-off-by: Daniel Vetter Cc: Daniel Vetter Cc: Bartlomiej Zolnierkiewicz Cc: Rob Clark --- drivers/video/fbdev/core/fbsysfs.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) diff --git a/drivers/video/fbdev/core/fbsysfs.c b/drivers/video/fbdev/core/fbsysfs.c index 44cca39f2b51..5f329278e55f 100644 --- a/drivers/video/fbdev/core/fbsysfs.c +++ b/drivers/video/fbdev/core/fbsysfs.c @@ -179,10 +179,7 @@ static ssize_t store_modes(struct device *device, return -EINVAL; console_lock(); - if (!lock_fb_info(fb_info)) { - console_unlock(); - return -ENODEV; - } + lock_fb_info(fb_info); list_splice(&fb_info->modelist, &old_list); fb_videomode_to_modelist((const struct fb_videomode *)buf, i, @@ -409,10 +406,7 @@ static ssize_t store_fbstate(struct device *device, state = simple_strtoul(buf, &last, 0); console_lock(); - if (!lock_fb_info(fb_info)) { - console_unlock(); - return -ENODEV; - } + lock_fb_info(fb_info); fb_set_suspend(fb_info, (int)state); -- 2.20.1