1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
index dba3843c53b8..ed337a8c34ab 100644
--- a/drivers/pwm/core.c
+++ b/drivers/pwm/core.c
@@ -457,7 +457,8 @@ int pwm_apply_state(struct pwm_device *pwm, struct pwm_state *state)
 {
         int err;
 
-        if (!pwm)
+        if (!pwm || !state || !state->period ||
+            state->duty_cycle > state->period)
                 return -EINVAL;
 
         if (!memcmp(state, &pwm->state, sizeof(*state)))