diff options
| author | Hans de Goede <hdegoede@redhat.com> | 2013-11-16 11:37:41 +0100 |
|---|---|---|
| committer | Sarah Sharp <sarah.a.sharp@linux.intel.com> | 2014-03-04 15:38:19 -0800 |
| commit | 6134041bef0aeb9cb7c8a8daf045b44513cd8396 (patch) | |
| tree | d5f11807b5992088d062df404d0bf13686b36b33 | |
| parent | 74d71aec619f33ec1ff5b2090792ab96d840bd3b (diff) | |
uas: Verify endpoint descriptors from uas_use_uas_driver()
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
| -rw-r--r-- | drivers/usb/storage/uas-detect.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/usb/storage/uas-detect.h b/drivers/usb/storage/uas-detect.h index 8de030a0a4a..b8a02e12a8a 100644 --- a/drivers/usb/storage/uas-detect.h +++ b/drivers/usb/storage/uas-detect.h @@ -70,13 +70,23 @@ static int uas_find_endpoints(struct usb_host_interface *alt, static int uas_use_uas_driver(struct usb_interface *intf, const struct usb_device_id *id) { + struct usb_host_endpoint *eps[4] = { }; struct usb_device *udev = interface_to_usbdev(intf); unsigned long flags = id->driver_info; + int r, alt; usb_stor_adjust_quirks(udev, &flags); if (flags & US_FL_IGNORE_UAS) return 0; - return uas_find_uas_alt_setting(intf) >= 0; + alt = uas_find_uas_alt_setting(intf); + if (alt < 0) + return 0; + + r = uas_find_endpoints(&intf->altsetting[alt], eps); + if (r < 0) + return 0; + + return 1; } |