Commit feff0485 authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab Committed by Linus Torvalds

[PATCH] v4l: 864: improved isoc error detection

- Improved isoc error detection.
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@brturbo.com.br>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 45632c4f
......@@ -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);
......
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