diff options
| author | Johan Hovold <jhovold@gmail.com> | 2012-05-30 12:25:00 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-06-13 15:23:53 -0700 |
| commit | 378fac2a46decbcd16b42044303ba8a1a3f8001e (patch) | |
| tree | 55f2e980d10fa302fc80c2d3eec8942d2af50a87 /drivers/usb/serial/option.c | |
| parent | e17f8af316525c2a795bb314dfcc23201fb51ef4 (diff) | |
USB: option: clean up probe coding style
Clean up option probe by introducing intermediate variables and fixing
up comments.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/serial/option.c')
| -rw-r--r-- | drivers/usb/serial/option.c | 38 |
1 files changed, 23 insertions, 15 deletions
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 6ff37e67adfa..ccf7f3c9a7c6 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -1306,33 +1306,41 @@ static int option_probe(struct usb_serial *serial, const struct usb_device_id *id) { struct usb_wwan_intf_private *data; + struct usb_interface_descriptor *iface_desc = + &serial->interface->cur_altsetting->desc; + struct usb_device_descriptor *dev_desc = &serial->dev->descriptor; - /* D-Link DWM 652 still exposes CD-Rom emulation interface in modem mode */ - if (serial->dev->descriptor.idVendor == DLINK_VENDOR_ID && - serial->dev->descriptor.idProduct == DLINK_PRODUCT_DWM_652 && - serial->interface->cur_altsetting->desc.bInterfaceClass == 0x8) + /* + * D-Link DWM 652 still exposes CD-Rom emulation interface in modem + * mode. + */ + if (dev_desc->idVendor == DLINK_VENDOR_ID && + dev_desc->idProduct == DLINK_PRODUCT_DWM_652 && + iface_desc->bInterfaceClass == 0x08) return -ENODEV; /* Bandrich modem and AT command interface is 0xff */ - if ((serial->dev->descriptor.idVendor == BANDRICH_VENDOR_ID || - serial->dev->descriptor.idVendor == PIRELLI_VENDOR_ID) && - serial->interface->cur_altsetting->desc.bInterfaceClass != 0xff) + if ((dev_desc->idVendor == BANDRICH_VENDOR_ID || + dev_desc->idVendor == PIRELLI_VENDOR_ID) && + iface_desc->bInterfaceClass != 0xff) return -ENODEV; - - /* Don't bind reserved interfaces (like network ones) which often have + /* + * Don't bind reserved interfaces (like network ones) which often have * the same class/subclass/protocol as the serial interfaces. Look at * the Windows driver .INF files for reserved interface numbers. */ if (is_blacklisted( - serial->interface->cur_altsetting->desc.bInterfaceNumber, + iface_desc->bInterfaceNumber, OPTION_BLACKLIST_RESERVED_IF, (const struct option_blacklist_info *) id->driver_info)) return -ENODEV; - - /* Don't bind network interface on Samsung GT-B3730, it is handled by a separate module */ - if (serial->dev->descriptor.idVendor == SAMSUNG_VENDOR_ID && - serial->dev->descriptor.idProduct == SAMSUNG_PRODUCT_GT_B3730 && - serial->interface->cur_altsetting->desc.bInterfaceClass != USB_CLASS_CDC_DATA) + /* + * Don't bind network interface on Samsung GT-B3730, it is handled by + * a separate module. + */ + if (dev_desc->idVendor == SAMSUNG_VENDOR_ID && + dev_desc->idProduct == SAMSUNG_PRODUCT_GT_B3730 && + iface_desc->bInterfaceClass != USB_CLASS_CDC_DATA) return -ENODEV; data = kzalloc(sizeof(struct usb_wwan_intf_private), GFP_KERNEL); |