staging: comedi: rti800: change return of rti800_ai_insn_read()

The comedi core expects the (*insn_read) functions to return the
number of data values actually read. Change the return from 'i'
to 'insn->n' to make this clearer.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/staging/comedi/drivers/rti800.c b/drivers/staging/comedi/drivers/rti800.c
index 0084038a8b0d..bab8b31a731d 100644
--- a/drivers/staging/comedi/drivers/rti800.c
+++ b/drivers/staging/comedi/drivers/rti800.c
@@ -223,7 +223,7 @@ static int rti800_ai_insn_read(struct comedi_device *dev,
                         data[i] ^= 0x800;
         }
 
-        return i;
+        return insn->n;
 }
 
 static int rti800_ao_insn_read(struct comedi_device *dev,