[PATCH] bttv kernel BUG at drivers/media/video/video-buf.c:378!

[Gerd Knorr]

On Mon, Oct 20, 2003 at 10:18:58PM +1000, Herbert Xu wrote:
> reassign 216547 kernel
> quit
> 
> Hi Gerd:
> 
> It looks like the your v4l update two weeks broke bttv.  Here is
> a crash dump.  videobuf_iolock was passed a vb that has just been
> filled with zeros.

> [ BUG in video-buf.c triggered -- oops log cutted ]

Fix below, please apply,

  Gerd

--- linux/drvers/media/video/bttv-driver.c.fix	2003-10-20 12:48:38.000000000 +0200
+++ linux/drvers/media/video/bttv-driver.c	2003-10-20 15:07:24.346278761 +0200
@@ -2819,6 +2819,7 @@
 				up(&fh->cap.lock);
 				return POLLERR;
 			}
+			fh->cap.read_buf->memory = V4L2_MEMORY_USERPTR;
 			field = videobuf_next_field(&fh->cap);
 			if (0 != fh->cap.ops->buf_prepare(file,fh->cap.read_buf,field)) {
 				up(&fh->cap.lock);
-
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