matroxfb: color setting fixes
- the pseudo_palette is only 16 elements long. - do not write to the pseudo_palette if regno (array index) is more than 15 - remove code that writes to the 17th entry of the pseudo_palette Signed-off-by: NAntonino Daplas <adaplas@gmail.com> Acked-by: NPetr Vandrovec <vandrove@vc.cvut.cz> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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