diff options
| -rw-r--r-- | drivers/pwm/pwm-stm32.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/pwm/pwm-stm32.c b/drivers/pwm/pwm-stm32.c index 4f842550fbd1..ee7197b8e4ef 100644 --- a/drivers/pwm/pwm-stm32.c +++ b/drivers/pwm/pwm-stm32.c @@ -337,6 +337,9 @@ static int stm32_pwm_config(struct stm32_pwm *priv, int ch, prd = div; + if (!prd) + return -EINVAL; + if (prescaler > MAX_TIM_PSC) return -EINVAL; |