diff mbox series

[02/19] xhci: dbc: Convert to use sysfs_streq()

Message ID	20231201150647.1307406-3-mathias.nyman@linux.intel.com (mailing list archive)
State	Superseded
Headers	show Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="f729m+i6" From: Mathias Nyman <mathias.nyman@linux.intel.com> To: <gregkh@linuxfoundation.org> Cc: <linux-usb@vger.kernel.org>, Andy Shevchenko <andriy.shevchenko@linux.intel.com>, Mathias Nyman <mathias.nyman@linux.intel.com> Subject: [PATCH 02/19] xhci: dbc: Convert to use sysfs_streq() Date: Fri, 1 Dec 2023 17:06:30 +0200 Message-Id: <20231201150647.1307406-3-mathias.nyman@linux.intel.com> In-Reply-To: <20231201150647.1307406-1-mathias.nyman@linux.intel.com> References: <20231201150647.1307406-1-mathias.nyman@linux.intel.com> Precedence: bulk MIME-Version: 1.0 Content-Transfer-Encoding: 8bit
Series	xhci features for usb-next \| expand [00/19] xhci features for usb-next [01/19] xhci: dbc: Drop duplicate checks for dma_free_coherent() [02/19] xhci: dbc: Convert to use sysfs_streq() [03/19] xhci: dbc: Use sysfs_emit() to instead of scnprintf() [04/19] xhci: dbc: Use ATTRIBUTE_GROUPS() [05/19] xhci: dbc: Check for errors first in xhci_dbc_stop() [06/19] xhci: dbc: Don't shadow error codes in store() functions [07/19] xhci: dbc: Replace custom return value with proper Linux error code [08/19] xhci: dbc: Use sizeof_field() where it makes sense [09/19] xhci: dbc: Use sizeof(*pointer) instead of sizeof(type) [10/19] xhci: dbc: Add missing headers [11/19] xhci: check if legacy irq is available before using it as fallback [12/19] xhci: add handler for only one interrupt line [13/19] xhci: refactor static MSI-X function [14/19] xhci: refactor static MSI function [15/19] xhci: change 'msix_count' to encompass MSI or MSI-X vectors [16/19] xhci: rework 'xhci_try_enable_msi()' MSI and MSI-X setup code [17/19] xhci: minor coding style cleanup in 'xhci_try_enable_msi()' [18/19] xhci: Reconfigure endpoint 0 max packet size only during endpoint reset [19/19] xhci: fix possible null pointer deref during xhci urb enqueue

Commit Message

Mathias Nyman Dec. 1, 2023, 3:06 p.m. UTC

From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

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>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
---
 drivers/usb/host/xhci-dbgcap.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff mbox series

Patch

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;