From 40558dafff257d69248af8b96c7e896f6bc79dfa Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Mon, 27 Aug 2007 07:37:34 -0300 Subject: [PATCH] V4L/DVB (6259): Fix vivi poll() method Due to the replace of videobuf_read_one to videobuf_read_stream, poll() method implementation is wrong. This fixes poll() implementation, making read of /dev/video? to work again. With this method, an USB driver can use video-buf, without needing to request memory from the DMA-safe area. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/vivi.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/media/video/vivi.c b/drivers/media/video/vivi.c index c14e2b3e4241..01c977671311 100644 --- a/drivers/media/video/vivi.c +++ b/drivers/media/video/vivi.c @@ -1122,9 +1122,8 @@ vivi_poll(struct file *file, struct poll_table_struct *wait) } else { dprintk(1,"poll: read() interface\n"); /* read() capture */ - buf = (struct vivi_buffer*)fh->vb_vidq.read_buf; - if (NULL == buf) - return POLLERR; + return videobuf_poll_stream(file, &fh-> vb_vidq, + wait); } poll_wait(file, &buf->vb.done, wait); if (buf->vb.state == STATE_DONE || -- 2.20.1