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watchdog: Fix null pointer dereference while accessing rdc321x platform_data

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rdc321x-wdt 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>
CC: stable@kernel.org
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Florian Fainelli 2010-11-26 10:39:55 +01:00 committed by Samuel Ortiz
parent fa6469cb5b
commit 3b3c1f24e9
1 changed files with 1 additions and 1 deletions
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2
drivers/watchdog/rdc321x_wdt.c
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@ -231,7 +231,7 @@ static int __devinit rdc321x_wdt_probe(struct platform_device *pdev)
struct resource *r;
struct rdc321x_wdt_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;