[ 3.5.y.z extended stable ] Patch "i2c-mux-pinctrl: Fix probe error path" has been added to staging queue

Herton Ronaldo Krzesinski herton.krzesinski at canonical.com
Fri Dec 7 16:05:41 UTC 2012

This is a note to let you know that I have just added a patch titled

    i2c-mux-pinctrl: Fix probe error path

to the linux-3.5.y-queue branch of the 3.5.y.z extended stable tree 
which can be found at:


If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.5.y.z tree, see



>From df60e7370ea4c17e3306e2c5655c13741edf3bb1 Mon Sep 17 00:00:00 2001
From: Guenter Roeck <linux at roeck-us.net>
Date: Tue, 13 Nov 2012 22:27:19 +0100
Subject: [PATCH] i2c-mux-pinctrl: Fix probe error path

commit aa1e3e81e75ceb3d977c3292cefafcd5179eb8b8 upstream.

When allocating the memory for i2c busses, the code checked the wrong
variable and thus never detected if there was a memory error.

Signed-off-by: Guenter Roeck <linux at roeck-us.net>
Signed-off-by: Jean Delvare <khali at linux-fr.org>
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski at canonical.com>
 drivers/i2c/muxes/i2c-mux-pinctrl.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/muxes/i2c-mux-pinctrl.c b/drivers/i2c/muxes/i2c-mux-pinctrl.c
index 46a6697..c524018 100644
--- a/drivers/i2c/muxes/i2c-mux-pinctrl.c
+++ b/drivers/i2c/muxes/i2c-mux-pinctrl.c
@@ -169,7 +169,7 @@ static int __devinit i2c_mux_pinctrl_probe(struct platform_device *pdev)
 	mux->busses = devm_kzalloc(&pdev->dev,
 				   sizeof(mux->busses) * mux->pdata->bus_count,
-	if (!mux->states) {
+	if (!mux->busses) {
 		dev_err(&pdev->dev, "Cannot allocate busses\n");
 		ret = -ENOMEM;
 		goto err;

More information about the kernel-team mailing list