diff options
| author | Inaky Perez-Gonzalez <inaky@linux.intel.com> | 2007-08-01 07:34:04 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2007-10-13 01:55:07 +0400 |
| commit | f8a374648b58e5cfa14447eca866aed14a4fbfa8 (patch) | |
| tree | 7b22cc7523f5c1fed5b3d8db4e72cedb40dc0e1b /drivers/usb/core/generic.c | |
| parent | 72230abb21349cda54d6cce0d6fd325c023b958e (diff) | |
| download | linux-f8a374648b58e5cfa14447eca866aed14a4fbfa8.tar.xz | |
usb: usb_generic_probe() obeys authorization
If called and the device is not authorized to be used, then we won't
choose a configuration (as they are not a concept that exists for an
unauthorized device). However, the device is added to the system.
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/core/generic.c')
| -rw-r--r-- | drivers/usb/core/generic.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/usb/core/generic.c b/drivers/usb/core/generic.c index b2fc2b115256..20b095050a16 100644 --- a/drivers/usb/core/generic.c +++ b/drivers/usb/core/generic.c @@ -161,17 +161,20 @@ static int generic_probe(struct usb_device *udev) /* Choose and set the configuration. This registers the interfaces * with the driver core and lets interface drivers bind to them. */ - c = choose_configuration(udev); - if (c >= 0) { - err = usb_set_configuration(udev, c); - if (err) { - dev_err(&udev->dev, "can't set config #%d, error %d\n", + if (udev->authorized == 0) + dev_err(&udev->dev, "Device is not authorized for usage\n"); + else { + c = choose_configuration(udev); + if (c >= 0) { + err = usb_set_configuration(udev, c); + if (err) { + dev_err(&udev->dev, "can't set config #%d, error %d\n", c, err); - /* This need not be fatal. The user can try to - * set other configurations. */ + /* This need not be fatal. The user can try to + * set other configurations. */ + } } } - /* USB device state == configured ... usable */ usb_notify_add_device(udev); |