diff options
| author | Mauro Carvalho Chehab <mchehab@brturbo.com.br> | 2005-11-08 21:38:16 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-09 07:56:26 -0800 |
| commit | feff0485ebcf05b5af8a3c82aa5c361d9f8b6e75 (patch) | |
| tree | 4e62185a0239eea1a12c57332e8027ceb780aa2c | |
| parent | 45632c4f835e74f937d8632f7ba2dd49aa39c476 (diff) | |
[PATCH] v4l: 864: improved isoc error detection
- Improved isoc error detection.
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-core.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c index 263b6c91adb..442d50d7f32 100644 --- a/drivers/media/video/em28xx/em28xx-core.c +++ b/drivers/media/video/em28xx/em28xx-core.c @@ -573,8 +573,16 @@ static inline void em2820_isoc_video_copy(struct em2820 *dev, if ((*f)->fieldbytesused + len > dev->field_size) len =dev->field_size - (*f)->fieldbytesused; + + if (buf[0] != 0x88 && buf[0] != 0x22) { + em2820_isocdbg("frame is not complete\n"); + startread = buf; + len+=4; + } else + startread = buf + 4; + remain = len; - startread = buf + 4; + if ((*f)->top_field) fieldstart = (*f)->bufmem; else @@ -653,7 +661,8 @@ void em2820_isocIrq(struct urb *urb, struct pt_regs *regs) em2820_isocdbg("data error: [%d] len=%d, status=%d", i, urb->iso_frame_desc[i].actual_length, urb->iso_frame_desc[i].status); - continue; + if (urb->iso_frame_desc[i].status != -EPROTO) + continue; } if (urb->iso_frame_desc[i].actual_length <= 0) { em2820_isocdbg("packet %d is empty",i); |