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path: root/drivers/usb/storage/usb.c
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Diffstat (limited to 'drivers/usb/storage/usb.c')
-rw-r--r--drivers/usb/storage/usb.c23
1 files changed, 12 insertions, 11 deletions
diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c
index 70644506651f..7e7ec29782f1 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)
731 struct usb_endpoint_descriptor *ep_int = NULL; 731 struct usb_endpoint_descriptor *ep_int = NULL;
732 732
733 /* 733 /*
734 * Find the endpoints we need. 734 * Find the first endpoint of each type we need.
735 * We are expecting a minimum of 2 endpoints - in and out (bulk). 735 * We are expecting a minimum of 2 endpoints - in and out (bulk).
736 * An optional interrupt is OK (necessary for CBI protocol). 736 * An optional interrupt-in is OK (necessary for CBI protocol).
737 * We will ignore any others. 737 * We will ignore any others.
738 */ 738 */
739 for (i = 0; i < altsetting->desc.bNumEndpoints; i++) { 739 for (i = 0; i < altsetting->desc.bNumEndpoints; i++) {
740 ep = &altsetting->endpoint[i].desc; 740 ep = &altsetting->endpoint[i].desc;
741 741
742 /* Is it a BULK endpoint? */
743 if (usb_endpoint_xfer_bulk(ep)) { 742 if (usb_endpoint_xfer_bulk(ep)) {
744 /* BULK in or out? */ 743 if (usb_endpoint_dir_in(ep)) {
745 if (usb_endpoint_dir_in(ep)) 744 if (!ep_in)
746 ep_in = ep; 745 ep_in = ep;
747 else 746 } else {
748 ep_out = ep; 747 if (!ep_out)
748 ep_out = ep;
749 }
749 } 750 }
750 751
751 /* Is it an interrupt endpoint? */ 752 else if (usb_endpoint_is_int_in(ep)) {
752 else if (usb_endpoint_xfer_int(ep)) { 753 if (!ep_int)
753 ep_int = ep; 754 ep_int = ep;
754 } 755 }
755 } 756 }
756 757