A return value of >=0 indicates a successful attach to the comedi core.
Return 0 since that is more common in the kernel.

Signed-off-by: H Hartley Sweeten <hswee...@visionengravers.com>
Cc: Ian Abbott <abbo...@mev.co.uk>
Cc: Greg Kroah-Hartman <gre...@linuxfondation.org>
---
 drivers/staging/comedi/drivers/serial2002.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/comedi/drivers/serial2002.c 
b/drivers/staging/comedi/drivers/serial2002.c
index d367cfb..a596da8 100644
--- a/drivers/staging/comedi/drivers/serial2002.c
+++ b/drivers/staging/comedi/drivers/serial2002.c
@@ -806,7 +806,7 @@ static int serial2002_attach(struct comedi_device *dev,
        s->range_table  = NULL;
        s->insn_read    = serial2002_encoder_insn_read;
 
-       return 1;
+       return 0;
 }
 
 static void serial2002_detach(struct comedi_device *dev)
-- 
1.8.1.4

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