[PATCH] i2c: (i2c-diolan-u2c) Fix master_xfer return code

[Guenter Roeck <linux@xxxxxxxxxxxx>]

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

Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
 drivers/i2c/busses/i2c-diolan-u2c.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/i2c/busses/i2c-diolan-u2c.c b/drivers/i2c/busses/i2c-diolan-u2c.c
index aedb94f..dae3ddf 100644
--- 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)
-- 
1.7.9.7

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