diff --git a/drivers/i2c/busses/i2c-diolan-u2c.c b/drivers/i2c/busses/i2c-diolan-u2c.c
index aedb94f34bf748c1e82846f817264c1f73b2e602..dae3ddfe7619cf69899d974992ea0e7b43264b59 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)