diff mbox series

[RFC,19/57] drivers: usb: core: Use bus_find_device_by_devt helper

Message ID 1559577023-558-20-git-send-email-suzuki.poulose@arm.com
State New
Headers show
Series [RFC,01/57] drivers: s390/cio: Use driver_for_each_device | expand

Commit Message

Suzuki K Poulose June 3, 2019, 3:49 p.m. UTC 
Switch to using the bus_find_device_by_devt helper

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Oliver Neukum <oneukum@suse.com>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: linux-usb@vger.kernel.org
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>

---
 drivers/usb/core/devio.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

-- 
2.7.4
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Patch

diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index fa783531..28358a3 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -947,17 +947,11 @@  static int parse_usbdevfs_streams(struct usb_dev_state *ps,
 	return ret;
 }
 
-static int match_devt(struct device *dev, void *data)
-{
-	return dev->devt == (dev_t) (unsigned long) data;
-}
-
 static struct usb_device *usbdev_lookup_by_devt(dev_t devt)
 {
 	struct device *dev;
 
-	dev = bus_find_device(&usb_bus_type, NULL,
-			      (void *) (unsigned long) devt, match_devt);
+	dev = bus_find_device_by_devt(&usb_bus_type, NULL, devt);
 	if (!dev)
 		return NULL;
 	return to_usb_device(dev);