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| author | David S. Miller <davem@davemloft.net> | 2010-03-15 23:23:54 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-03-15 23:23:54 (GMT) |
| commit | 4961e02f1999e1c3468c09b2669c94d7c3ae82a8 (patch) | |
| tree | 44c15abb09d7ba5e17a9aba95ee246648b1c1a8a /drivers/usb/atm/usbatm.h | |
| parent | d14a0ebda7d3daede1a99c01527affb9ceaa4c22 (diff) | |
| parent | a3d3203e4bb40f253b1541e310dc0f9305be7c84 (diff) | |
| download | linux-fsl-qoriq-4961e02f1999e1c3468c09b2669c94d7c3ae82a8.tar.xz | |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'drivers/usb/atm/usbatm.h')
| -rw-r--r-- | drivers/usb/atm/usbatm.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/usb/atm/usbatm.h b/drivers/usb/atm/usbatm.h index f6f4508..0863f85 100644 --- a/drivers/usb/atm/usbatm.h +++ b/drivers/usb/atm/usbatm.h @@ -204,4 +204,19 @@ struct usbatm_data { struct urb *urbs[0]; }; +static inline void *to_usbatm_driver_data(struct usb_interface *intf) +{ + struct usbatm_data *usbatm_instance; + + if (intf == NULL) + return NULL; + + usbatm_instance = usb_get_intfdata(intf); + + if (usbatm_instance == NULL) /* set NULL before unbind() */ + return NULL; + + return usbatm_instance->driver_data; /* set NULL after unbind() */ +} + #endif /* _USBATM_H_ */ |