i2c: diolan-u2c: Fix master_xfer return code

The master_xfer function returns 0 on success. It should return the number of
successful transactions.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>

diff --git a/drivers/i2c/busses/i2c-diolan-u2c.c b/drivers/i2c/busses/i2c-diolan-u2c.c
index aedb94f34bf748c1e82846f817264c1f73b2e602..dae3ddfe7619cf69899d974992ea0e7b43264b59 100644 (file)
--- a/drivers/i2c/busses/i2c-diolan-u2c.c
+++ b/drivers/i2c/busses/i2c-diolan-u2c.c
@@ -405,6 +405,7 @@ static int diolan_usb_xfer(struct i2c_adapter *adapter, struct i2c_msg *msgs,
                        }
                }
        }
+       ret = num;
 abort:
        sret = diolan_i2c_stop(dev);
        if (sret < 0 && ret >= 0)