diff options
| -rw-r--r-- | drivers/usb/storage/usb.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c index 70644506651..7e7ec29782f 100644 --- a/drivers/usb/storage/usb.c +++ b/drivers/usb/storage/usb.c @@ -731,26 +731,27 @@ static int get_pipes(struct us_data *us) struct usb_endpoint_descriptor *ep_int = NULL; /* - * Find the endpoints we need. + * Find the first endpoint of each type we need. * We are expecting a minimum of 2 endpoints - in and out (bulk). - * An optional interrupt is OK (necessary for CBI protocol). + * An optional interrupt-in is OK (necessary for CBI protocol). * We will ignore any others. */ for (i = 0; i < altsetting->desc.bNumEndpoints; i++) { ep = &altsetting->endpoint[i].desc; - /* Is it a BULK endpoint? */ if (usb_endpoint_xfer_bulk(ep)) { - /* BULK in or out? */ - if (usb_endpoint_dir_in(ep)) - ep_in = ep; - else - ep_out = ep; + if (usb_endpoint_dir_in(ep)) { + if (!ep_in) + ep_in = ep; + } else { + if (!ep_out) + ep_out = ep; + } } - /* Is it an interrupt endpoint? */ - else if (usb_endpoint_xfer_int(ep)) { - ep_int = ep; + else if (usb_endpoint_is_int_in(ep)) { + if (!ep_int) + ep_int = ep; } } |