diff options
author | Florian Fainelli <florian@openwrt.org> | 2010-11-26 10:39:54 +0100 |
---|---|---|
committer | AK <andi@firstfloor.org> | 2011-02-06 11:03:47 -0800 |
commit | 876c33c2acfc57b312f1743964f0c4469932fdf7 (patch) | |
tree | 35227772156fa83d24ea5f899fcdba7baab9a7ca | |
parent | 94e0aba2a66cb0eee8c17f662c25c85a2aee141b (diff) |
gpio: Fix null pointer dereference while accessing rdc321x platform_data
commit fa6469cb5b2d16703464c344b943e2c025cb7858 upstream.
rdc321x-gpio currently fetches its driver specific data by using the
platform_device->platform_data pointer, this is wrong because the mfd
device which registers our platform_device has been added using
mfd_add_device() which sets the platform_device->driver_data pointer
instead.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
-rw-r--r-- | drivers/gpio/rdc321x-gpio.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpio/rdc321x-gpio.c b/drivers/gpio/rdc321x-gpio.c index 2762698e0204a..897e0577e65e0 100644 --- a/drivers/gpio/rdc321x-gpio.c +++ b/drivers/gpio/rdc321x-gpio.c @@ -135,7 +135,7 @@ static int __devinit rdc321x_gpio_probe(struct platform_device *pdev) struct rdc321x_gpio *rdc321x_gpio_dev; struct rdc321x_gpio_pdata *pdata; - pdata = pdev->dev.platform_data; + pdata = platform_get_drvdata(pdev); if (!pdata) { dev_err(&pdev->dev, "no platform data supplied\n"); return -ENODEV; |