From patchwork Thu Dec 16 18:52:06 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lars-Peter Clausen X-Patchwork-Id: 12682371 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5D38BC43217 for ; Thu, 16 Dec 2021 18:52:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236380AbhLPSw0 (ORCPT ); Thu, 16 Dec 2021 13:52:26 -0500 Received: from www381.your-server.de ([78.46.137.84]:47628 "EHLO www381.your-server.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236385AbhLPSwY (ORCPT ); Thu, 16 Dec 2021 13:52:24 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=metafoo.de; s=default2002; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID; bh=GFyGAv7LQyFMd2HAlFFETsDhdGkHMScKSBM1Bu+lxnc=; b=K68mkzRyZyz4PTZQEmSrDwTJgN WCoXQjUpJGJWyziO2+DKPeddGM069FNuCpHvqm5JCR2Sh1K90aT6bI378l3s1n5fuOaj8M9O6GoeZ ngvugPj+0qo2jjU4T2pmd1wHIt/Kw5U3FXk5yMdZtQMksIvw3xjwLZXAmOpuM50XeDMZCpiaxyzkw j17gp9DVIcE9R/kfev1lR17F4ZzOB/mqd1U8ImLEm7LZUaQqBVZZyskDgmn2C3CQM0pUqFtamhDNp BLrTTvLtPWPHqyOIwv9ownx8fK79vUMkzXFevgslowmoCyWoFCVzMIgkqZ6zFcrf1eTJ8JBoa1VXU 5NgZzxLg==; Received: from sslproxy06.your-server.de ([78.46.172.3]) by www381.your-server.de with esmtpsa (TLSv1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.92.3) (envelope-from ) id 1mxvra-000ARz-F1; Thu, 16 Dec 2021 19:52:22 +0100 Received: from [2001:a61:2bc8:8501:9e5c:8eff:fe01:8578] (helo=lars-desktop.fritz.box) by sslproxy06.your-server.de with esmtpsa (TLSv1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mxvra-000HSt-3u; Thu, 16 Dec 2021 19:52:22 +0100 From: Lars-Peter Clausen To: Jonathan Cameron Cc: Michael Hennerich , Alexandru Tachici , Roan van Dijk , Tomasz Duszynski , Marc Titinger , Matt Ranostay , Johan Hovold , Paresh Chaudhary , Navin Sankar Velliangiri , Jacopo Mondi , Ludovic Tancerel , linux-iio@vger.kernel.org, Lars-Peter Clausen Subject: [PATCH 02/13] iio: dmaengine-buffer: Use sysfs_emit() Date: Thu, 16 Dec 2021 19:52:06 +0100 Message-Id: <20211216185217.1054495-3-lars@metafoo.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20211216185217.1054495-1-lars@metafoo.de> References: <20211216185217.1054495-1-lars@metafoo.de> MIME-Version: 1.0 X-Authenticated-Sender: lars@metafoo.de X-Virus-Scanned: Clear (ClamAV 0.103.3/26389/Thu Dec 16 07:02:49 2021) Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org sysfs_emit() is preferred over raw s*printf() for sysfs attributes since it knows about the sysfs buffer specifics and has some built-in checks for size and alignment. Use sysfs_emit() for the `length_align_bytes` buffer attribute. Signed-off-by: Lars-Peter Clausen --- drivers/iio/buffer/industrialio-buffer-dmaengine.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/buffer/industrialio-buffer-dmaengine.c b/drivers/iio/buffer/industrialio-buffer-dmaengine.c index f8ce26a24c57..f744b62a636a 100644 --- a/drivers/iio/buffer/industrialio-buffer-dmaengine.c +++ b/drivers/iio/buffer/industrialio-buffer-dmaengine.c @@ -136,7 +136,7 @@ static ssize_t iio_dmaengine_buffer_get_length_align(struct device *dev, struct dmaengine_buffer *dmaengine_buffer = iio_buffer_to_dmaengine_buffer(buffer); - return sprintf(buf, "%zu\n", dmaengine_buffer->align); + return sysfs_emit(buf, "%zu\n", dmaengine_buffer->align); } static IIO_DEVICE_ATTR(length_align_bytes, 0444,