From patchwork Mon Sep 27 10:15:59 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 514675 Delivered-To: patch@linaro.org Received: by 2002:a02:c816:0:0:0:0:0 with SMTP id p22csp3963680jao; Mon, 27 Sep 2021 03:16:15 -0700 (PDT) X-Google-Smtp-Source: ABdhPJx+HrnX9r6IahsTCZuHpJ+l1GTG0rHYA+cGjW7ZI4b67BJP/rAA9fQsqFqFmvX3o9rQZpjn X-Received: by 2002:a62:384d:0:b0:447:e970:3d3f with SMTP id f74-20020a62384d000000b00447e9703d3fmr22634800pfa.23.1632737775777; Mon, 27 Sep 2021 03:16:15 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1632737775; cv=none; d=google.com; s=arc-20160816; b=BYJKYWnFdwwRhPqWqCYxIEMu6p+UmOZs/d6Di+NFnURiUKnbd2OjdeoDV+TG9AyLeQ Z2hcU5sxztYxFrvW/5f/kdTE6vidzdqALoFnbKyHGUcmI22sNw02DxVq9xInDN/Uy+9t 1XyaEwmnA25Pk7iIihg8OAbrgoCI35pjcNMI+iUC6e9YzsU9r0+kLZcvC0AwgDjCMyIX 5tuy/+IwO3aLlaZoL/ntGoMfG3W/Cux6Iq0EnXdiZ1I85H66J0f0GHwrfcX3e4H3xS+v 1xP1QEQyiTTiKSjDOihscFrHGT2QBau6VYhLV9mpc3LgNOjn19BxKXSAhv8PCmzwahE/ mREg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from:dkim-signature; bh=mYHwxhw/it7STw2hiKe7xO326w5RbtUh8fq+KH7Um98=; b=I7L5DcbNyeu6mi0Tm58IEPJew7TDK9IdHFaGTiGt3DO1FDPz+fM7Xj+rHoxf3Mx15+ 87EieUW8eui8Y0+hKwycaV1nAlmhtqY80jIpjE7a93krkjC30wjB0rcmLb2tqMG+pxkC K++PkzsVCjki2svB1TOdjfvHXDb+7OJlkSm7O0FDkdOz6+ZjErjbTrdo/FKcbgLvSPbd rRvczTGtFDtYoEojVX5P+tvF9gqZYNeWaG9QwjlLM2Y8P3srpFQzLnq7zawxbENFev+j 7QRfJKN7yxdYk39sVN+skALV3hqDG0ex5gw92qf+rsF+dMwDJbhwcdE+eMo7Vx27tYUY 0U2g== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=cl0DVcvh; spf=pass (google.com: domain of linux-leds-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-leds-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id s13si19428420plq.286.2021.09.27.03.16.15 for ; Mon, 27 Sep 2021 03:16:15 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-leds-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=cl0DVcvh; spf=pass (google.com: domain of linux-leds-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-leds-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233722AbhI0KRw (ORCPT ); Mon, 27 Sep 2021 06:17:52 -0400 Received: from mail.kernel.org ([198.145.29.99]:60866 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233703AbhI0KRw (ORCPT ); Mon, 27 Sep 2021 06:17:52 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 64CF360F6C; Mon, 27 Sep 2021 10:16:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1632737774; bh=Bq2dWaShr/xZPho3pKYv2iZApCmL3XL12AcCSUUBVkY=; h=From:To:Cc:Subject:Date:From; b=cl0DVcvh4emKAb8+mahJbuYxhI4Rb7V+XxsONvq/AvxjqtcBilVRrR/xosMqJExhY LIlMRciNqoSCWEU+w+MDU4FV9b4HCZhpdPhGHWnQlppUg2OSFa7t3Wl4O3HAkBKeDu cI5jkP/8kfkQosTKXHuM6yfOmEtTKDLZyq7gt53SIEoovLzPyce0obcNrDGFPtxp8X GRHp4d06isHvj6Sm3NwQjuB/H0kZyzAH7oFOPyzcoPD0HO/rXuzfX2ZHg7hT4XZHSP w8o3XDkODo0v8/K7JuVghu25BqYBa/tEVzk+P/nvDS4YIMfH2BtF3rUC6S8tpZVmLh SpXo9ROnuJ2HA== From: Arnd Bergmann To: Pavel Machek , Andreas Noever , Michael Jamet , Mika Westerberg , Yehezkel Bernat Cc: Arnd Bergmann , Greg Kroah-Hartman , Isaac Hazan , Lee Jones , Rikard Falkeborn , linux-leds@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org Subject: [PATCH] led-class-flash: fix -Wrestrict warning Date: Mon, 27 Sep 2021 12:15:59 +0200 Message-Id: <20210927101610.1669830-1-arnd@kernel.org> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-leds@vger.kernel.org From: Arnd Bergmann drivers/leds/led-class-flash.c: In function 'flash_fault_show': drivers/leds/led-class-flash.c:210:16: error: 'sprintf' argument 3 overlaps destination object 'buf' [-Werror=restrict] 210 | return sprintf(buf, "%s\n", buf); | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/leds/led-class-flash.c:187:54: note: destination object referenced by 'restrict'-qualified argument 1 was declared here 187 | struct device_attribute *attr, char *buf) | ~~~~~~^~~ cc1: all warnings being treated as errors make[5]: *** [scripts/Makefile.build:277: drivers/leds/led-class-flash.o] Error 1 make[5]: Target '__build' not remade because of errors. make[4]: *** [scripts/Makefile.build:540: drivers/leds] Error 2 drivers/thunderbolt/xdomain.c: In function 'modalias_show': drivers/thunderbolt/xdomain.c:733:16: error: 'sprintf' argument 3 overlaps destination object 'buf' [-Werror=restrict] 733 | return sprintf(buf, "%s\n", buf); | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/thunderbolt/xdomain.c:727:36: note: destination object referenced by 'restrict'-qualified argument 1 was declared here 727 | char *buf) | ~~~~~~^~~ Signed-off-by: Arnd Bergmann --- drivers/leds/led-class-flash.c | 2 +- drivers/thunderbolt/xdomain.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) -- 2.29.2 diff --git a/drivers/leds/led-class-flash.c b/drivers/leds/led-class-flash.c index 185e17055317..6fe9d700dfef 100644 --- a/drivers/leds/led-class-flash.c +++ b/drivers/leds/led-class-flash.c @@ -207,7 +207,7 @@ static ssize_t flash_fault_show(struct device *dev, mask <<= 1; } - return sprintf(buf, "%s\n", buf); + return strlen(strcat(buf, "\n")); } static DEVICE_ATTR_RO(flash_fault); diff --git a/drivers/thunderbolt/xdomain.c b/drivers/thunderbolt/xdomain.c index d66ea4d616fd..eff32499610f 100644 --- a/drivers/thunderbolt/xdomain.c +++ b/drivers/thunderbolt/xdomain.c @@ -730,7 +730,7 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, /* Full buffer size except new line and null termination */ get_modalias(svc, buf, PAGE_SIZE - 2); - return sprintf(buf, "%s\n", buf); + return strlen(strcat(buf, "\n")); } static DEVICE_ATTR_RO(modalias);