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-rw-r--r--binding/radio_impl_null.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/binding/radio_impl_null.c b/binding/radio_impl_null.c
index 8c28bca..a90835b 100644
--- a/binding/radio_impl_null.c
+++ b/binding/radio_impl_null.c
@@ -120,6 +120,10 @@ static uint32_t null_get_frequency(void)
static void null_set_frequency(uint32_t frequency)
{
+ if(frequency < known_fm_band_plans[bandplan].min ||
+ frequency > known_fm_band_plans[bandplan].max)
+ return;
+
current_frequency = frequency;
if(freq_callback)