diff options
| author | Roel Kluin <roel.kluin@gmail.com> | 2010-03-10 15:21:23 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-12 15:52:32 -0800 |
| commit | 0d3580d40cc38bbaf63d0b2756931e0ae241a9ea (patch) | |
| tree | f449628dd8da7ecbdefb179c59b2317ab50c23f9 /drivers/video/asiliantfb.c | |
| parent | 6e3e37a5a7c91045497553bcbd6a5faea98b21b3 (diff) | |
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 <roel.kluin@gmail.com>
Cc: Andres Salomon <dilinger@debian.org>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/video/asiliantfb.c')
| -rw-r--r-- | drivers/video/asiliantfb.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/video/asiliantfb.c b/drivers/video/asiliantfb.c index 9fe90ce928f..e70bc225fe3 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; |