[PATCH] can: kvaser_usb: fix usb endpoints detection

[Olivier Sobrie <olivier@sobrie.be>]

Some devices, like the Kvaser Memorator Professional, have several
bulk in endpoints. Only the first one found should be used by the
driver. The same holds for the bulk out endpoint.

Signed-off-by: Olivier Sobrie <olivier@sobrie.be>
---
 drivers/net/can/usb/kvaser_usb.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/net/can/usb/kvaser_usb.c b/drivers/net/can/usb/kvaser_usb.c
index 3b95465..bdbf5bf 100644
--- a/drivers/net/can/usb/kvaser_usb.c
+++ b/drivers/net/can/usb/kvaser_usb.c
@@ -1554,13 +1554,14 @@ static void kvaser_usb_get_endpoints(const struct usb_interface *intf,
 
 	iface_desc = &intf->altsetting[0];
 
-	for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) {
+	for (i = 0; (i < iface_desc->desc.bNumEndpoints) && (!*in || !*out);
+	     ++i) {
 		endpoint = &iface_desc->endpoint[i].desc;
 
-		if (usb_endpoint_is_bulk_in(endpoint))
+		if (!*in && usb_endpoint_is_bulk_in(endpoint))
 			*in = endpoint;
 
-		if (usb_endpoint_is_bulk_out(endpoint))
+		if (!*out && usb_endpoint_is_bulk_out(endpoint))
 			*out = endpoint;
 	}
 }
-- 
1.8.3.2