From 0d3580d40cc38bbaf63d0b2756931e0ae241a9ea Mon Sep 17 00:00:00 2001 From: Roel Kluin Date: Wed, 10 Mar 2010 15:21:23 -0800 Subject: asiliantfb: fix test of unsigned in asiliant_calc_dclk2() Ftarget, Fret, n and m are unsigned so the tests did not work. Signed-off-by: Roel Kluin Cc: Andres Salomon Cc: Krzysztof Helt Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/asiliantfb.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/video/asiliantfb.c b/drivers/video/asiliantfb.c index 9fe90ce..e70bc22 100644 --- a/drivers/video/asiliantfb.c +++ b/drivers/video/asiliantfb.c @@ -140,7 +140,7 @@ static void asiliant_calc_dclk2(u32 *ppixclock, u8 *dclk2_m, u8 *dclk2_n, u8 *dc /* 3 <= m <= 257 */ if (m >= 3 && m <= 257) { - unsigned new_error = ((Ftarget * n) - (Fref * m)) >= 0 ? + unsigned new_error = Ftarget * n >= Fref * m ? ((Ftarget * n) - (Fref * m)) : ((Fref * m) - (Ftarget * n)); if (new_error < best_error) { best_n = n; @@ -152,7 +152,7 @@ static void asiliant_calc_dclk2(u32 *ppixclock, u8 *dclk2_m, u8 *dclk2_n, u8 *dc else if (m <= 1028) { /* remember there are still only 8-bits of precision in m, so * avoid over-optimistic error calculations */ - unsigned new_error = ((Ftarget * n) - (Fref * (m & ~3))) >= 0 ? + unsigned new_error = Ftarget * n >= Fref * (m & ~3) ? ((Ftarget * n) - (Fref * (m & ~3))) : ((Fref * (m & ~3)) - (Ftarget * n)); if (new_error < best_error) { best_n = n; -- cgit v1.1