asgardius/android_kernel_motorola_sm6225
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

V4L/DVB: tm6000: Partially revert some copybuf logic

Browse source 
Partially revert changeset 0208bef609242a2d50b95edc713a41566cae500b:

As pointed by Stefan Ringel <stefan.ringel@arcor.de>, many packets become
damaged by this change. That means that the "size" field of Video/VBI is not
presenting 180 bytes, as it should be expected.

Thanks-to: Stefan Ringel <stefan.ringel@arcor.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2010-06-30 17:24:28 -03:00
parent 758bb0b3e7
commit ccfb302882
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
drivers/staging/tm6000/tm6000-video.c
View file

@ -314,7 +314,7 @@ static int copy_streams(u8 *data, unsigned long len,
break;
}
}
if (cpysize < size) {
if (ptr + pktsize > endp) {
/* End of URB packet, but cmd processing is not
* complete. Preserve the state for a next packet
*/
@ -322,7 +322,7 @@ static int copy_streams(u8 *data, unsigned long len,
dev->isoc_ctl.size = size - cpysize;
dev->isoc_ctl.cmd = cmd;
dev->isoc_ctl.pktsize = pktsize - (endp - ptr);
ptr += cpysize;
ptr += endp - ptr;
} else {
dev->isoc_ctl.cmd = 0;
ptr += pktsize;