diff options
| author | Jeff Garzik <jeff@garzik.org> | 2007-07-17 05:39:58 -0400 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-07-17 16:23:19 -0400 |
| commit | a6343afb6e16b65b9f0b264f94f8207212e7e3ae (patch) | |
| tree | 038520431715be0dab295883ba994b7854202c71 /drivers/video/matrox | |
| parent | b1734d2388cc45ecdec58615e35955d0d402f938 (diff) | |
drivers/*: mark variables with uninitialized_var()
Mark variables in drivers/* with uninitialized_var() if such a warning
appears, and analysis proves that the var is initialized properly on all
paths it is used.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/video/matrox')
| -rw-r--r-- | drivers/video/matrox/matroxfb_maven.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/video/matrox/matroxfb_maven.c b/drivers/video/matrox/matroxfb_maven.c index 5d29a26b8cdf..de0d755f9019 100644 --- a/drivers/video/matrox/matroxfb_maven.c +++ b/drivers/video/matrox/matroxfb_maven.c @@ -273,8 +273,11 @@ static int matroxfb_PLL_mavenclock(const struct matrox_pll_features2* pll, } } } + + /* if h2/post/in/feed have not been assigned, return zero (error) */ if (besth2 < 2) return 0; + dprintk(KERN_ERR "clk: %02X %02X %02X %d %d\n", *in, *feed, *post, fxtal, fwant); return fxtal * (*feed) / (*in) * ctl->den; } @@ -284,7 +287,7 @@ static unsigned int matroxfb_mavenclock(const struct matrox_pll_ctl* ctl, unsigned int* in, unsigned int* feed, unsigned int* post, unsigned int* htotal2) { unsigned int fvco; - unsigned int p; + unsigned int uninitialized_var(p); fvco = matroxfb_PLL_mavenclock(&maven1000_pll, ctl, htotal, vtotal, in, feed, &p, htotal2); if (!fvco) @@ -715,7 +718,9 @@ static int maven_find_exact_clocks(unsigned int ht, unsigned int vt, m->regs[0x82] = 0x81; for (x = 0; x < 8; x++) { - unsigned int a, b, c, h2; + unsigned int c; + unsigned int uninitialized_var(a), uninitialized_var(b), + uninitialized_var(h2); unsigned int h = ht + 2 + x; if (!matroxfb_mavenclock((m->mode == MATROXFB_OUTPUT_MODE_PAL) ? &maven_PAL : &maven_NTSC, h, vt, &a, &b, &c, &h2)) { |