annotated, sanitized casts between pointers and numbers, switched the
functions that took offsets in card memory to unsigned long (from the
void *, which was absolutely wrong and lead to bogus casts from hell all
over the place).
Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>