From patchwork Mon May 10 04:14:14 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: 1476046 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=2404:9400:2:0:216:3eff:fee1:b9f1; helo=lists.ozlabs.org; envelope-from=linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org; receiver=) Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2404:9400:2:0:216:3eff:fee1:b9f1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4FdnlQ3q3Kz9vFL for ; Mon, 10 May 2021 14:15:14 +1000 (AEST) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4FdnlQ3SV0z3bxM for ; Mon, 10 May 2021 14:15:14 +1000 (AEST) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gmail.com (client-ip=209.85.218.44; helo=mail-ej1-f44.google.com; envelope-from=kswilczynski@gmail.com; receiver=) Received: from mail-ej1-f44.google.com (mail-ej1-f44.google.com [209.85.218.44]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4Fdnkc0wJfz2yRX for ; Mon, 10 May 2021 14:14:31 +1000 (AEST) Received: by mail-ej1-f44.google.com with SMTP id a4so22441859ejk.1 for ; Sun, 09 May 2021 21:14:30 -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:mime-version :content-transfer-encoding; bh=yG00XpORYp9fWIwYNYumtIx0DbQmOEgAaM8O8RiTCBg=; b=HQHTCpaAHNG1ClsXLFgrNnjBpOFqhJvCj/LynSkzd977ffZq4V34UWLpXlwxIrdebs I90kBPPtg0N4gxgItBHVWk+fdaxn0Dr03w7GNzmddbXy2IBNGWpVVxFLX0ahk2pBtSta g/LMS/N4YkkNziCMmJYC5cG/ZTIxN8QqiCW1mYv/L512PK7zOgta2O6oCPnRpgZ6UMey XhX/yp5g94fyvfKKtF5sYMHlVhwP06/eo5jMfE5lvFv/E2wBjfHiiTe3gibkS7z5M1+7 4tfbr0Ma81gUhDE/AjGJgcIMSLfxUFBYu+YruNwHcGiANPTC1qNBqZfG5YWtovn7u5jx nsgA== X-Gm-Message-State: AOAM531VbzBdVu0UgitAepcbSnW0TkM0lnLWLTtkACjUjj3GkurMil+h u5mJxUsvbt0/YXOHOapmynA= X-Google-Smtp-Source: ABdhPJyJeQPSRJV9jJWYAjEQGkNIBh1uh1Jil7dgPsc1o2RkXPUJpNn61pvdKGmYpGTBlGGSR+C90w== X-Received: by 2002:a17:907:7216:: with SMTP id dr22mr23759582ejc.185.1620620065913; Sun, 09 May 2021 21:14:25 -0700 (PDT) Received: from workstation.lan ([95.155.85.46]) by smtp.gmail.com with ESMTPSA id e4sm8165006ejh.98.2021.05.09.21.14.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 09 May 2021 21:14:25 -0700 (PDT) From: =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= To: Bjorn Helgaas Subject: [PATCH 01/11] PCI: Use sysfs_emit() and sysfs_emit_at() in "show" functions Date: Mon, 10 May 2021 04:14:14 +0000 Message-Id: <20210510041424.233565-1-kw@linux.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Tyrel Datwyler , linux-pci@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Oliver O'Halloran , Paul Mackerras , Kurt Schwemmer , Logan Gunthorpe Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" 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 Reviewed-by: Logan Gunthorpe --- drivers/pci/pci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index b717680377a9..5ed316ea5831 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -6439,7 +6439,7 @@ static ssize_t resource_alignment_show(struct bus_type *bus, char *buf) spin_lock(&resource_alignment_lock); if (resource_alignment_param) - count = scnprintf(buf, PAGE_SIZE, "%s", resource_alignment_param); + count = sysfs_emit(buf, "%s", resource_alignment_param); spin_unlock(&resource_alignment_lock); /*