Some of the callback functions that upload the firmware in the comedi
drivers return a positive value indicating the number of bytes sent
to the device. Detect this condition and just return '0' to indicate
a successful upload.

Signed-off-by: H Hartley Sweeten <hswee...@visionengravers.com>
Cc: Ian Abbott <abbo...@mev.co.uk>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
Cc: Bernd Porr <m...@berndporr.me.uk>
Cc: Dan Carpenter <dan.carpen...@oracle.com>
---
 drivers/staging/comedi/drivers.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c
index a5d03b9..9d71b4d 100644
--- a/drivers/staging/comedi/drivers.c
+++ b/drivers/staging/comedi/drivers.c
@@ -451,7 +451,7 @@ int comedi_load_firmware(struct comedi_device *dev,
                release_firmware(fw);
        }
 
-       return ret;
+       return ret < 0 ? ret : 0;
 }
 EXPORT_SYMBOL_GPL(comedi_load_firmware);
 
-- 
1.8.4.4

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