diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
index dba3843c53b8d2162d10100d2473be79014d4b4b..ed337a8c34ab4bb231814136fe5cd9628962eff1 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)))
diff --git a/include/linux/pwm.h b/include/linux/pwm.h
index 17018f3c066ed5a44c76ca77ce63b6203725ef34..908b67c847cd656489f0a679422852e7c845d18f 100644
--- a/include/linux/pwm.h
+++ b/include/linux/pwm.h
@@ -235,6 +235,9 @@ static inline int pwm_config(struct pwm_device *pwm, int duty_ns,
 	if (!pwm)
 		return -EINVAL;
 
+	if (duty_ns < 0 || period_ns < 0)
+		return -EINVAL;
+
 	pwm_get_state(pwm, &state);
 	if (state.duty_cycle == duty_ns && state.period == period_ns)
 		return 0;