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| author | Roel Kluin <12o3l@tiscali.nl> | 2008-07-23 21:31:17 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-24 10:47:37 -0700 |
| commit | 816664f88707b03fde24fb09759d569ed42406cb (patch) | |
| tree | 93b270478bec428c604658d410e92c07c8ebea48 /drivers/video/aty | |
| parent | fcea8030b3c2e71ad89f080901c63a04f07881c8 (diff) | |
| download | linux-stable-816664f88707b03fde24fb09759d569ed42406cb.tar.gz linux-stable-816664f88707b03fde24fb09759d569ed42406cb.tar.bz2 linux-stable-816664f88707b03fde24fb09759d569ed42406cb.zip | |
aty128fb: test below 0 on unsigned pll->post_divider
pll->post_divider is unsigned, so the test fails
Signed-off-by: Roel Kluin <12o3l@tiscali.nl>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/video/aty')
| -rw-r--r-- | drivers/video/aty/aty128fb.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/video/aty/aty128fb.c b/drivers/video/aty/aty128fb.c index 07b6addbb3c1..243ea4ab20c8 100644 --- a/drivers/video/aty/aty128fb.c +++ b/drivers/video/aty/aty128fb.c @@ -1339,10 +1339,8 @@ static int aty128_var_to_pll(u32 period_in_ps, struct aty128_pll *pll, if (vclk * 12 < c.ppll_min) vclk = c.ppll_min/12; - pll->post_divider = -1; - /* now, find an acceptable divider */ - for (i = 0; i < sizeof(post_dividers); i++) { + for (i = 0; i < ARRAY_SIZE(post_dividers); i++) { output_freq = post_dividers[i] * vclk; if (output_freq >= c.ppll_min && output_freq <= c.ppll_max) { pll->post_divider = post_dividers[i]; @@ -1350,7 +1348,7 @@ static int aty128_var_to_pll(u32 period_in_ps, struct aty128_pll *pll, } } - if (pll->post_divider < 0) + if (i == ARRAY_SIZE(post_dividers)) return -EINVAL; /* calculate feedback divider */ |