add endpoint direction test in alt_xfer

Commit Message

Patrice Chotard March 21, 2011, 7:58 p.m. UTC

None

Patch

diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c
index f21f2a2..03823ea 100644
--- a/drivers/media/video/gspca/gspca.c
+++ b/drivers/media/video/gspca/gspca.c
@@ -631,7 +631,8 @@  static struct usb_host_endpoint *alt_xfer(struct usb_host_interface *alt,
 		ep = &alt->endpoint[i];
 		attr = ep->desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK;
 		if (attr == xfer
-		    && ep->desc.wMaxPacketSize != 0)
+		    && ep->desc.wMaxPacketSize != 0
+		    && usb_endpoint_dir_in(&ep->desc))
 			return ep;
 	}
 	return NULL;