[PATCH 2.6.20.4] ieee1394: dv1394: fix CardBus card ejection

Fix NULL pointer dereference on hot ejection of a FireWire card while dv1394 was loaded. http://bugzilla.kernel.org/show_bug.cgi?id=7121 I did not test card ejection with open /dev/dv1394 files yet. Signed-off-by: Stefan Richter <[EMAIL PROTECTED]> --- Picked from 2.6.21-rc1.

[PATCH 2.6.20.4] ieee1394: dv1394: fix CardBus card ejection

Fix NULL pointer dereference on hot ejection of a FireWire card while dv1394 was loaded. http://bugzilla.kernel.org/show_bug.cgi?id=7121 I did not test card ejection with open /dev/dv1394 files yet. Signed-off-by: Stefan Richter [EMAIL PROTECTED] --- Picked from 2.6.21-rc1.