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| author | gibbs <gibbs@FreeBSD.org> | 2008-03-01 21:58:34 +0000 |
|---|---|---|
| committer | gibbs <gibbs@FreeBSD.org> | 2008-03-01 21:58:34 +0000 |
| commit | 2bbc1512154866824168d1dad3926a846d943990 (patch) | |
| tree | d027e87b8379bfb3d4185ffaf4647babdfe3b98f /sys | |
| parent | 342833e3ca17a7483d7cc8a2178026613355875e (diff) | |
| download | FreeBSD-src-2bbc1512154866824168d1dad3926a846d943990.zip FreeBSD-src-2bbc1512154866824168d1dad3926a846d943990.tar.gz | |
In est_acpi_info(), initialize count before passing its pointer to
CPUFREQ_DRV_SETTINGS(). The value of count on input is used to
prefent overflow of the settings buffer passed into CPUFREQ_DRV_SETTINGS().
This corrects the "est: CPU supports Enhanced Speedstep, but is not recognized."
error on my system.
MFC after: 1 week
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/i386/cpufreq/est.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/i386/cpufreq/est.c b/sys/i386/cpufreq/est.c index 885f06a..7383e92 100644 --- a/sys/i386/cpufreq/est.c +++ b/sys/i386/cpufreq/est.c @@ -1091,6 +1091,7 @@ est_acpi_info(device_t dev, freq_info **freqs) sets = malloc(MAX_SETTINGS * sizeof(*sets), M_TEMP, M_NOWAIT); if (sets == NULL) return (ENOMEM); + count = MAX_SETTINGS; error = CPUFREQ_DRV_SETTINGS(perf_dev, sets, &count); if (error) goto out; |
