diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-09-29 18:27:03 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-09-29 18:27:03 -0700 |
| commit | d7173493683853047d6efc8d4454c70469a7b033 (patch) | |
| tree | 8e6dac16d3104494b5cc2f33756c582ecdc3b753 /drivers/cpufreq/cpufreq.c | |
| parent | 80d26236c7c583ea2f43b68008ab7e067102c62c (diff) | |
| parent | 15c03dd4859ab16f9212238f29dd315654aa94f6 (diff) | |
Merge 3.12-rc3 into char-misc-next
We need/want the mei fixes in here so we can apply other updates that
are depending on them.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/cpufreq/cpufreq.c')
| -rw-r--r-- | drivers/cpufreq/cpufreq.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 89b3c52cd5c..04548f7023a 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -1460,6 +1460,9 @@ unsigned int cpufreq_get(unsigned int cpu) { unsigned int ret_freq = 0; + if (cpufreq_disabled() || !cpufreq_driver) + return -ENOENT; + if (!down_read_trylock(&cpufreq_rwsem)) return 0; |