# This is a BitKeeper generated patch for the following project:
# Project Name: Linux kernel tree
# This patch format is intended for GNU patch command version 2.5 or higher.
# This patch includes the following deltas:
#                  ChangeSet    1.473   -> 1.474  
#       drivers/usb/media/usbvideo.c    1.19    -> 1.20   
#
# The following is the BitKeeper ChangeSet Log
# --------------------------------------------
# 02/06/08      [EMAIL PROTECTED]      1.474
# [PATCH] fix urb->next removal in usbvideo
# 
# This patch removes the use of urb->next in usbvideo.c and resubmits
# the URB in the completion handler.
# --------------------------------------------
#
diff -Nru a/drivers/usb/media/usbvideo.c b/drivers/usb/media/usbvideo.c
--- a/drivers/usb/media/usbvideo.c      Sat Jun  8 15:15:51 2002
+++ b/drivers/usb/media/usbvideo.c      Sat Jun  8 15:15:51 2002
@@ -1802,7 +1802,7 @@
 
 static void usbvideo_IsocIrq(struct urb *urb)
 {
-       int i, len;
+       int i, ret, len;
        uvd_t *uvd = urb->context;
 
        /* We don't want to do anything if we are about to be removed! */
@@ -1844,6 +1844,11 @@
                urb->iso_frame_desc[i].status = 0;
                urb->iso_frame_desc[i].actual_length = 0;
        }
+       urb->status = 0;
+       urb->dev = uvd->dev;
+       ret = usb_submit_urb (urb, GFP_KERNEL);
+       if(ret)
+               err("usb_submit_urb error (%d)", ret);
        return;
 }
 
@@ -1889,6 +1894,7 @@
                urb->dev = dev;
                urb->context = uvd;
                urb->pipe = usb_rcvisocpipe(dev, uvd->video_endp);
+               urb->interval = 1;
                urb->transfer_flags = USB_ISO_ASAP;
                urb->transfer_buffer = uvd->sbuf[i].data;
                urb->complete = usbvideo_IsocIrq;
@@ -1898,14 +1904,6 @@
                        urb->iso_frame_desc[j].offset = k;
                        urb->iso_frame_desc[j].length = uvd->iso_packet_len;
                }
-       }
-
-       /* Link URBs into a ring so that they invoke each other infinitely */
-       for (i=0; i < USBVIDEO_NUMSBUF; i++) {
-               if ((i+1) < USBVIDEO_NUMSBUF)
-                       uvd->sbuf[i].urb->next = uvd->sbuf[i+1].urb;
-               else
-                       uvd->sbuf[i].urb->next = uvd->sbuf[0].urb;
        }
 
        /* Submit all URBs */

_______________________________________________________________

Don't miss the 2002 Sprint PCS Application Developer's Conference
August 25-28 in Las Vegas - 
http://devcon.sprintpcs.com/adp/index.cfm?source=osdntextlink

_______________________________________________
[EMAIL PROTECTED]
To unsubscribe, use the last form field at:
https://lists.sourceforge.net/lists/listinfo/linux-usb-devel

Reply via email to