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Commit bd07ed2b authored Nov 23, 2005 by Dave Airlie Committed by Dave Airlie Nov 23, 2005

I think that if a PCI bus is a root bus, attached to a host bridge not a


PCI->PCI bridge, then bus->self is allowed to be NULL. Certainly that's
the case on my Pegasos, and it makes the MGA DRM driver oops...

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Dave Airlie <airlied@linux.ie>

parent 1778d55e

drivers/char/drm/mga_drv.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -161,7 +161,7 @@ static int mga_driver_device_is_agp(drm_device_t * dev)
	* device.		* device.
	*/		*/

	if ((pdev->device == 0x0525)		if ((pdev->device == 0x0525) && pdev->bus->self
	&& (pdev->bus->self->vendor == 0x3388)		&& (pdev->bus->self->vendor == 0x3388)
	&& (pdev->bus->self->device == 0x0021)) {		&& (pdev->bus->self->device == 0x0021)) {
	return 0;		return 0;