Commit 6a8ca6f5 authored by Alan Cox's avatar Alan Cox Committed by Greg Kroah-Hartman
Browse files

gma500: Fix backlight crash 



We need to check the NULL case earlier.

Signed-off-by: default avatarAlan Cox <alan@linux.intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent a11c3ec7

drivers/staging/gma500/backlight.c

+4 −3
Original line number Diff line number Diff line
@@ -38,9 +38,10 @@ void gma_backlight_exit(struct drm_device *dev) 
{

#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE

	struct drm_psb_private *dev_priv = dev->dev_private;

	if (dev_priv->backlight_device) {

		dev_priv->backlight_device->props.brightness = 0;

		backlight_update_status(dev_priv->backlight_device);

	if (dev_priv->backlight_device)

		backlight_device_unregister(dev_priv->backlight_device);

	}

#endif

}

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