Driver-Core: extend devnode callbacks to provide permissions

This allows subsytems to provide devtmpfs with non-default permissions
for the device node. Instead of the default mode of 0600, null, zero,
random, urandom, full, tty, ptmx now have a mode of 0666, which allows
non-privileged processes to access standard device nodes in case no
other userspace process applies the expected permissions.

This also fixes a wrong assignment in pktcdvd and a checkpatch.pl complain.

Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index a26f738..43ee943 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -311,7 +311,7 @@
 #endif	/* CONFIG_PM */
 
 
-static char *usb_nodename(struct device *dev)
+static char *usb_devnode(struct device *dev, mode_t *mode)
 {
 	struct usb_device *usb_dev;
 
@@ -324,7 +324,7 @@
 	.name =		"usb_device",
 	.release =	usb_release_dev,
 	.uevent =	usb_dev_uevent,
-	.nodename = 	usb_nodename,
+	.devnode = 	usb_devnode,
 	.pm =		&usb_device_pm_ops,
 };