From patchwork Mon May 10 04:14:22 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= X-Patchwork-Id: 12246847 X-Patchwork-Delegate: bhelgaas@google.com 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 22AE3C433ED for ; Mon, 10 May 2021 04:14:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 02D6A61400 for ; Mon, 10 May 2021 04:14:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229954AbhEJEPj (ORCPT ); Mon, 10 May 2021 00:15:39 -0400 Received: from mail-ej1-f48.google.com ([209.85.218.48]:36463 "EHLO mail-ej1-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229934AbhEJEPi (ORCPT ); Mon, 10 May 2021 00:15:38 -0400 Received: by mail-ej1-f48.google.com with SMTP id r9so22417106ejj.3 for ; Sun, 09 May 2021 21:14:34 -0700 (PDT) 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=JeL2FUARGxszhpfrtswg3uTFL3yp7K/KDjvHQpNvygA=; b=i4LgpO8fDPrONA80FHWOwGwl6VQ502QYYQP1rMLk+mpQ2qVtjkjmWq4A4fdpPcWjXF PzXFPTKey5aFKYGnZFtcOTnh2nJhRYtwDflheRhWjoQXYJbeCLw5NOudleEi2P1Qj3JL DqsWu77jTpDXI5cOsY/G+uaxzrpiak8GrZdw/TuVqGb57XzShcEe3qJxb5fVB492Ni2s kcS4UNd3/eVbC6H0uZ/x2C6p/ZrWJ3XgF5QZzPQYWjNiAKNlLom/XlbV9pMCDxRr721T 1cy8Hsttg1/h19ixFGwFQJ57E9CXY3UA67uefA7ofDeuEKGepwWza3YZLIimCqnqrWeB YqKg== X-Gm-Message-State: AOAM530geo4f2NWkbSidK6JuJEUhZm+L3xTsdkpfJ4K3N8K+dr9E/Zma jsaVVrJ5E6HbJ8wwwywEf7M= X-Google-Smtp-Source: ABdhPJws1APHRRa1UWb9NsEgDv3LVgdap2nv9ZT1B1HRkR88aNny+SIIgzZqUzA5rUM83wj3tLM7tA== X-Received: by 2002:a17:907:62a7:: with SMTP id nd39mr23674832ejc.502.1620620074022; Sun, 09 May 2021 21:14:34 -0700 (PDT) Received: from workstation.lan ([95.155.85.46]) by smtp.gmail.com with ESMTPSA id e4sm8165006ejh.98.2021.05.09.21.14.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 09 May 2021 21:14:33 -0700 (PDT) From: =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= To: Bjorn Helgaas Cc: "Oliver O'Halloran" , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , Tyrel Datwyler , Russell Currey , Kurt Schwemmer , Logan Gunthorpe , linux-pci@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH 09/11] PCI: rpadlpar: Use sysfs_emit() and sysfs_emit_at() in "show" functions Date: Mon, 10 May 2021 04:14:22 +0000 Message-Id: <20210510041424.233565-9-kw@linux.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210510041424.233565-1-kw@linux.com> References: <20210510041424.233565-1-kw@linux.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org The sysfs_emit() and sysfs_emit_at() functions were introduced to make it less ambiguous which function is preferred when writing to the output buffer in a device attribute's "show" callback [1]. Convert the PCI sysfs object "show" functions from sprintf(), snprintf() and scnprintf() to sysfs_emit() and sysfs_emit_at() accordingly, as the latter is aware of the PAGE_SIZE buffer and correctly returns the number of bytes written into the buffer. No functional change intended. [1] Documentation/filesystems/sysfs.rst Related to: commit ad025f8e46f3 ("PCI/sysfs: Use sysfs_emit() and sysfs_emit_at() in "show" functions") Signed-off-by: Krzysztof Wilczyński --- drivers/pci/hotplug/rpadlpar_sysfs.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/pci/hotplug/rpadlpar_sysfs.c b/drivers/pci/hotplug/rpadlpar_sysfs.c index dbfa0b55d31a..068b7810a574 100644 --- a/drivers/pci/hotplug/rpadlpar_sysfs.c +++ b/drivers/pci/hotplug/rpadlpar_sysfs.c @@ -50,7 +50,7 @@ static ssize_t add_slot_store(struct kobject *kobj, struct kobj_attribute *attr, static ssize_t add_slot_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { - return sprintf(buf, "0\n"); + return sysfs_emit(buf, "0\n"); } static ssize_t remove_slot_store(struct kobject *kobj, @@ -80,7 +80,7 @@ static ssize_t remove_slot_store(struct kobject *kobj, static ssize_t remove_slot_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { - return sprintf(buf, "0\n"); + return sysfs_emit(buf, "0\n"); } static struct kobj_attribute add_slot_attr =