patch-2_6_7-vs1_9_1_12

[linux-2.6.git] / drivers / isdn / hisax / st5481_b.c

diff --git a/drivers/isdn/hisax/st5481_b.c b/drivers/isdn/hisax/st5481_b.c
index 010d559..880d07b 100644 (file)
--- a/drivers/isdn/hisax/st5481_b.c
+++ b/drivers/isdn/hisax/st5481_b.c
@@ -257,13 +257,18 @@ static void st5481B_mode(struct st5481_bcs *bcs, int mode)
 static int st5481_setup_b_out(struct st5481_bcs *bcs)
 {
        struct usb_device *dev = bcs->adapter->usb_dev;
-       struct usb_host_interface *altsetting;
+       struct usb_interface *intf;
+       struct usb_host_interface *altsetting = NULL;
        struct usb_host_endpoint *endpoint;
        struct st5481_b_out *b_out = &bcs->b_out;
 
        DBG(4,"");
 
-       altsetting = &(dev->config->interface[0]->altsetting[3]);
+       intf = usb_ifnum_to_if(dev, 0);
+       if (intf)
+               altsetting = usb_altnum_to_altsetting(intf, 3);
+       if (!altsetting)
+               return -ENXIO;
 
        // Allocate URBs and buffers for the B channel out
        endpoint = &altsetting->endpoint[EP_B1_OUT - 1 + bcs->channel * 2];