[v2,02/10] xhci: dbc: Convert to use sysfs_streq()

Message ID	20231016130934.1158504-3-andriy.shevchenko@linux.intel.com
State	New
Headers	show Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4E28120B22 for <linux-usb@vger.kernel.org>; Mon, 16 Oct 2023 13:09:48 +0000 (UTC) From: Andy Shevchenko <andriy.shevchenko@linux.intel.com> To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>, Mathias Nyman <mathias.nyman@linux.intel.com>, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Mathias Nyman <mathias.nyman@intel.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org> Subject: [PATCH v2 02/10] xhci: dbc: Convert to use sysfs_streq() Date: Mon, 16 Oct 2023 16:09:26 +0300 Message-Id: <20231016130934.1158504-3-andriy.shevchenko@linux.intel.com> In-Reply-To: <20231016130934.1158504-1-andriy.shevchenko@linux.intel.com> References: <20231016130934.1158504-1-andriy.shevchenko@linux.intel.com> Precedence: bulk MIME-Version: 1.0 Content-Transfer-Encoding: 8bit
Series	xhci: dbc: Update driver to use modern APIs \| expand [v2,00/10] xhci: dbc: Update driver to use modern APIs [v2,01/10] xhci: dbc: Drop duplicate checks for dma_free_coherent() [v2,02/10] xhci: dbc: Convert to use sysfs_streq() [v2,03/10] xhci: dbc: Use sysfs_emit() to instead of scnprintf() [v2,04/10] xhci: dbc: Use ATTRIBUTE_GROUPS() [v2,05/10] xhci: dbc: Check for errors first in xhci_dbc_stop() [v2,06/10] xhci: dbc: Don't shadow error codes in store() functions [v2,07/10] xhci: dbc: Replace custom return value with proper Linux error code [v2,08/10] xhci: dbc: Use sizeof_field() where it makes sense [v2,09/10] xhci: dbc: Use sizeof(*pointer) instead of sizeof(type) [v2,10/10] xhci: dbc: Add missing headers

Message ID

20231016130934.1158504-3-andriy.shevchenko@linux.intel.com

State

New

Headers

From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Mathias Nyman <mathias.nyman@linux.intel.com>,
	linux-usb@vger.kernel.org,
	linux-kernel@vger.kernel.org
Cc: Mathias Nyman <mathias.nyman@intel.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: [PATCH v2 02/10] xhci: dbc: Convert to use sysfs_streq()
Date: Mon, 16 Oct 2023 16:09:26 +0300
Message-Id: <20231016130934.1158504-3-andriy.shevchenko@linux.intel.com>
In-Reply-To: <20231016130934.1158504-1-andriy.shevchenko@linux.intel.com>
References: <20231016130934.1158504-1-andriy.shevchenko@linux.intel.com>
Precedence: bulk
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit

Series

xhci: dbc: Update driver to use modern APIs | expand

Commit Message

Andy Shevchenko Oct. 16, 2023, 1:09 p.m. UTC

It's standard approach to parse values from user space by using
sysfs_streq(). Make driver use it.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/usb/host/xhci-dbgcap.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/host/xhci-dbgcap.c b/drivers/usb/host/xhci-dbgcap.c
index 9e9ce3711813..f505b79afe53 100644
--- a/drivers/usb/host/xhci-dbgcap.c
+++ b/drivers/usb/host/xhci-dbgcap.c
@@ -957,9 +957,9 @@  static ssize_t dbc_store(struct device *dev,
 	xhci = hcd_to_xhci(dev_get_drvdata(dev));
 	dbc = xhci->dbc;
 
-	if (!strncmp(buf, "enable", 6))
+	if (sysfs_streq(buf, "enable"))
 		xhci_dbc_start(dbc);
-	else if (!strncmp(buf, "disable", 7))
+	else if (sysfs_streq(buf, "disable"))
 		xhci_dbc_stop(dbc);
 	else
 		return -EINVAL;

[v2,02/10] xhci: dbc: Convert to use sysfs_streq()

Commit Message

Patch