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V4L/DVB (6278): Buf: fix typo that caused data loss when readng streams from device 

If videobuf_read_stream reads two or more buffers it was overwriting the first one

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
http://thread.gmane.org/gmane.comp.video.video4linux/34978/focus=34981
Reviewed-by: Ricardo Cerqueira <v4l@cerqueira.org>
This commit is contained in:
Maxim Levitsky 2007-10-02 09:03:39 -03:00 committed by Mauro Carvalho Chehab
parent 14f37aee29
commit d00cd2985e
1 changed files with 1 additions and 1 deletions
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2
drivers/media/video/videobuf-core.c
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@ -771,7 +771,7 @@ ssize_t videobuf_read_stream(struct videobuf_queue *q,
} }
if (q->read_buf->state == STATE_DONE) { if (q->read_buf->state == STATE_DONE) {
rc = CALL (q,copy_stream, q, data, count, rc = CALL (q,copy_stream, q, data + retval, count,
retval, vbihack, nonblocking); retval, vbihack, nonblocking);
if (rc < 0) { if (rc < 0) {
retval = rc; retval = rc;