From: Guenter Roeck <linux@roeck-us.net>
Date: Thu, 9 Aug 2012 15:47:20 +0000 (-0700)
Subject: i2c: diolan-u2c: Fix master_xfer return code
X-Git-Tag: upstream/snapshot3+hdmi~6785^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ab5625c30a0a3c8a8491b641c939575c84bc0dbb;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

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 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)