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| author | David S. Miller <davem@davemloft.net> | 2011-08-07 23:20:26 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-08-07 23:20:26 -0700 |
| commit | 19fd61785a580c60cba900c5171bfadb57dd5056 (patch) | |
| tree | 1e491fb014be0dc03f4b6755bb94e73afd38c455 /drivers/cpuidle/driver.c | |
| parent | 57569d0e12eaf31717e295960cd2a26f626c8e5b (diff) | |
| parent | 8028837d71ba9904b17281b40f94b93e947fbe38 (diff) | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'drivers/cpuidle/driver.c')
| -rw-r--r-- | drivers/cpuidle/driver.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/cpuidle/driver.c b/drivers/cpuidle/driver.c index fd1601e3d12..3f7e3cedd13 100644 --- a/drivers/cpuidle/driver.c +++ b/drivers/cpuidle/driver.c @@ -26,6 +26,9 @@ int cpuidle_register_driver(struct cpuidle_driver *drv) if (!drv) return -EINVAL; + if (cpuidle_disabled()) + return -ENODEV; + spin_lock(&cpuidle_driver_lock); if (cpuidle_curr_driver) { spin_unlock(&cpuidle_driver_lock); |