usb/em28xx/em28xx-core.c

769 static void em28xx_irq_callback(struct urb *urb)
771 	struct em28xx *dev = urb->context;
775 	switch (urb->status) {
784 		em28xx_isocdbg("urb completion error %d.\n", urb->status);
790 	dev->usb_ctl.urb_data_copy(dev, urb);
793 	/* Reset urb buffers */
794 	for (i = 0; i < urb->number_of_packets; i++) {
796 		urb->iso_frame_desc[i].status = 0;
797 		urb->iso_frame_desc[i].actual_length = 0;
799 	urb->status = 0;
801 	urb->status = usb_submit_urb(urb, GFP_ATOMIC);
802 	if (urb->status) {
803 		em28xx_isocdbg("urb resubmit failed (error=%i)\n",
804 			       urb->status);
813 	struct urb *urb;
825 		urb = usb_bufs->urb[i];
826 		if (urb) {
828 				usb_kill_urb(urb);
830 				usb_unlink_urb(urb);
832 			usb_free_urb(urb);
833 			usb_bufs->urb[i] = NULL;
837 	kfree(usb_bufs->urb);
840 	usb_bufs->urb = NULL;
854 	struct urb *urb;
860 		urb = isoc_bufs->urb[i];
861 		if (urb) {
863 				usb_kill_urb(urb);
865 				usb_unlink_urb(urb);
880 	struct urb *urb;
920 	usb_bufs->urb = kcalloc(num_bufs, sizeof(void *), GFP_KERNEL);
921 	if (!usb_bufs->urb)
926 		kfree(usb_bufs->urb);
942 		urb = usb_alloc_urb(usb_bufs->num_packets, GFP_KERNEL);
943 		if (!urb) {
947 		usb_bufs->urb[i] = urb;
958 		urb->transfer_flags = URB_FREE_BUFFER;
965 			usb_fill_bulk_urb(urb, udev, pipe, usb_bufs->buf[i],
972 			usb_fill_int_urb(urb, udev, pipe, usb_bufs->buf[i],
974 			urb->transfer_flags |= URB_ISO_ASAP;
977 				urb->iso_frame_desc[j].offset = k;
978 				urb->iso_frame_desc[j].length =
984 		urb->number_of_packets = usb_bufs->num_packets;
997 		    int (*urb_data_copy)(struct em28xx *dev, struct urb *urb))
1028 		rc = usb_clear_halt(udev, usb_bufs->urb[0]->pipe);
1045 		rc = usb_submit_urb(usb_bufs->urb[i], GFP_KERNEL);
1048 				"submit of urb %i failed (error=%i)\n", i, rc);