cyblafb: fix pseudo_palette array overrun in setcolreg
The pseudo_palette has only 16 elements. Do not write if regno (the array index) is more than 15. Signed-off-by: NAntonino Daplas <adaplas@gmail.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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