[PATCH 3.16 320/366] i2c: viperboard: return message count on master_xfer success

[Ben Hutchings]

3.16.60-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Peter Rosin <p...@axentia.se>

commit 35cd67a0caf767aba472452865dcb4471fcce2b1 upstream.

Returning zero is wrong in this case.

Signed-off-by: Peter Rosin <p...@axentia.se>
Signed-off-by: Wolfram Sang <w...@the-dreams.de>
Fixes: 174a13aa8669 ("i2c: Add viperboard i2c master driver")
Signed-off-by: Ben Hutchings <b...@decadent.org.uk>
---
 drivers/i2c/busses/i2c-viperboard.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/i2c/busses/i2c-viperboard.c
+++ b/drivers/i2c/busses/i2c-viperboard.c
@@ -341,7 +341,7 @@ static int vprbrd_i2c_xfer(struct i2c_ad
                }
                mutex_unlock(&vb->lock);
        }
-       return 0;
+       return num;
 error:
        mutex_unlock(&vb->lock);
        return error;