linux-kernel - [PATCH 3.16 318/366] i2c: pmcmsp: return message count on master

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Message-ID: <lsq.1539530741.506322186@decadent.org.uk>
Date:   Sun, 14 Oct 2018 16:25:41 +0100
From:   Ben Hutchings <ben@...adent.org.uk>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:     akpm@...ux-foundation.org, "Wolfram Sang" <wsa@...-dreams.de>,
        "Peter Rosin" <peda@...ntia.se>
Subject: [PATCH 3.16 318/366] i2c: pmcmsp: return message count on
 master_xfer success

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

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

From: Peter Rosin <peda@...ntia.se>

commit de9a8634f1cb4560a35696d472cc7f1383d9b866 upstream.

Returning zero is wrong in this case.

Signed-off-by: Peter Rosin <peda@...ntia.se>
Signed-off-by: Wolfram Sang <wsa@...-dreams.de>
Fixes: 1b144df1d7d6 ("i2c: New PMC MSP71xx TWI bus driver")
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 drivers/i2c/busses/i2c-pmcmsp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/i2c/busses/i2c-pmcmsp.c
+++ b/drivers/i2c/busses/i2c-pmcmsp.c
@@ -599,7 +599,7 @@ static int pmcmsptwi_master_xfer(struct
 		return -1;
 	}
 
-	return 0;
+	return num;
 }
 
 static u32 pmcmsptwi_i2c_func(struct i2c_adapter *adapter)