Fixes the following:
warning: assignment discards qualifiers from pointer target type
Signed-off-by: NImre Deak <imre.deak@nokia.com>
Acked-by: NKrzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>