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Driver-Core: extend devnode callbacks to provide permissions

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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 <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Kay Sievers 2009-09-18 23:01:12 +02:00 • committed by Live-CD User
commit e454cea20b
30 changed files with 116 additions and 79 deletions
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4
drivers/hid/usbhid/hiddev.c
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@ -852,14 +852,14 @@ static const struct file_operations hiddev_fops = {
#endif
};
static char *hiddev_nodename(struct device *dev)
static char *hiddev_devnode(struct device *dev, mode_t *mode)
{
return kasprintf(GFP_KERNEL, "usb/%s", dev_name(dev));
}
static struct usb_class_driver hiddev_class = {
.name = "hiddev%d",
.nodename = hiddev_nodename,
.devnode = hiddev_devnode,
.fops = &hiddev_fops,
.minor_base = HIDDEV_MINOR_BASE,
};