1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/cpuidle/driver.c b/drivers/cpuidle/driver.c
index 284d7af5a9c8..40cd3f3024df 100644
--- a/drivers/cpuidle/driver.c
+++ b/drivers/cpuidle/driver.c
@@ -47,7 +47,7 @@ static void __cpuidle_register_driver(struct cpuidle_driver *drv)
  */
 int cpuidle_register_driver(struct cpuidle_driver *drv)
 {
-        if (!drv)
+        if (!drv || !drv->state_count)
                 return -EINVAL;
 
         if (cpuidle_disabled())