media: cx18: update *pos correctly in cx18_read_pos()

We should be updating *pos.  The current code is a no-op.

Fixes: 1c1e45d17b ("V4L/DVB (7786): cx18: new driver for the Conexant CX23418 MPEG encoder chip")

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Dan Carpenter 2019-02-22 01:37:02 -05:00 committed by Mauro Carvalho Chehab
parent f8e579f3ca
commit 7afb0df554
1 changed files with 1 additions and 1 deletions

View File

@ -484,7 +484,7 @@ static ssize_t cx18_read_pos(struct cx18_stream *s, char __user *ubuf,
CX18_DEBUG_HI_FILE("read %zd from %s, got %zd\n", count, s->name, rc);
if (rc > 0)
pos += rc;
*pos += rc;
return rc;
}