[PATCH] WAN drivers fix: N2, C101, PCI200SYN - quite fatal

Hi,

The last change to drivers/wan/hd6457x.c was a bit fatal to drivers
using it - the attached patch fixes NULL pointer dereference on RX.

I've updated URLs in MAINTAINERS and wan/Kconfig as well.

Please apply to 2.6.
It would be nice if it's included in 2.6.11.

Thanks.

Signed-off-by: Krzysztof Halasa <khc@pm.waw.pl>
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Krzysztof Halasa