A typo in pmac_feature.c can cause us to use a bogus node pointer when
iterating the i2c controllers during boot. Fortunately, it seems that
we always find the one we are looking for first, and thus never ended
up in an inifinite loop here, but let's fix it and fix the warning at
the same time.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>