From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
[ 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@xxxxxxxxxx>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/media/pci/cx18/cx18-fileops.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/media/pci/cx18/cx18-fileops.c b/drivers/media/pci/cx18/cx18-fileops.c
index df837408efd59..0171dc5b8809e 100644
--- a/drivers/media/pci/cx18/cx18-fileops.c
+++ b/drivers/media/pci/cx18/cx18-fileops.c
@@ -490,7 +490,7 @@ 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;
}
--
2.20.1
