tree c0eba5dda549a576aad0c87177fef1268f498e1b
parent 816664f88707b03fde24fb09759d569ed42406cb
author Roel Kluin <12o3l@tiscali.nl> 1216873878 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1216921657 -0700

amifb: test virtual screen range before subtraction on unsigned

dx and dy are u32's, so the test should occur before the subtraction

Signed-off-by: Roel Kluin <12o3l@tiscali.nl>
Cc: Antonino Daplas <adaplas@pol.net>
Cc: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>