diff options
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 89b3c52cd5c3..04548f7023af 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c | |||
@@ -1460,6 +1460,9 @@ unsigned int cpufreq_get(unsigned int cpu) | |||
1460 | { | 1460 | { |
1461 | unsigned int ret_freq = 0; | 1461 | unsigned int ret_freq = 0; |
1462 | 1462 | ||
1463 | if (cpufreq_disabled() || !cpufreq_driver) | ||
1464 | return -ENOENT; | ||
1465 | |||
1463 | if (!down_read_trylock(&cpufreq_rwsem)) | 1466 | if (!down_read_trylock(&cpufreq_rwsem)) |
1464 | return 0; | 1467 | return 0; |
1465 | 1468 | ||