These changes may be slightly safer in some instances.

There are other kzalloc calls with a multiply, but those
calls are typically "small fixed #" * sizeof(some pointer)"
and those are not converted.
Signed-off-by: NJoe Perches <joe@perches.com>
Acked-by: NGertjan van Wingerde <gwingerde@gmail.com>
Acked-by: NLuciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>