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

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[ Upstream commit 7afb0df554292dca7568446f619965fb8153085d ]

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

Fixes: 1c1e45d17b66 ("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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dan Carpenter 2019-02-22 01:37:02 -05:00 committed by Greg Kroah-Hartman
parent b9ce280728
commit 6ae3b318c9
1 changed files with 1 additions and 1 deletions
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2
drivers/media/pci/cx18/cx18-fileops.c
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@ -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;
}