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Commit 16dfd103 authored by Javier Martinez Canillas's avatar Javier Martinez Canillas Committed by Lee Jones
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mfd: wm831x: Fix possible NULL pointer dereference 



The driver always checks for pdata being NULL except in one place.
Add a check to prevent a possible NULL pointer deference error.

Signed-off-by: default avatarJavier Martinez Canillas <javier@osg.samsung.com>
Acked-by: default avatarCharles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent d785334a

drivers/mfd/wm831x-core.c

+3 −1
Original line number Diff line number Diff line
@@ -1626,6 +1626,8 @@ int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq) 
	mutex_init(&wm831x->io_lock);

	mutex_init(&wm831x->key_lock);

	dev_set_drvdata(wm831x->dev, wm831x);



	if (pdata)

		wm831x->soft_shutdown = pdata->soft_shutdown;



	ret = wm831x_reg_read(wm831x, WM831X_PARENT_ID);