linux-kernel - [PATCH v2 02/10] xhci: dbc: Convert to use sysfs

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Message-Id: <20231016130934.1158504-3-andriy.shevchenko@linux.intel.com>
Date:   Mon, 16 Oct 2023 16:09:26 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Mathias Nyman <mathias.nyman@...ux.intel.com>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Mathias Nyman <mathias.nyman@...el.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: [PATCH v2 02/10] xhci: dbc: Convert to use sysfs_streq()

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@...ux.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;
-- 
2.40.0.1.gaa8946217a0b