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Fix for issue 3663 by returning early if no scan was started before stop is issued

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This commit is contained in:
BennyE 2020-12-12 00:49:53 +01:00
parent eda3392f50
commit c5c13620f2
1 changed files with 4 additions and 0 deletions
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4
ports/esp32s2/common-hal/wifi/Radio.c
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@ -105,6 +105,10 @@ mp_obj_t common_hal_wifi_radio_start_scanning_networks(wifi_radio_obj_t *self) {
} }
void common_hal_wifi_radio_stop_scanning_networks(wifi_radio_obj_t *self) { void common_hal_wifi_radio_stop_scanning_networks(wifi_radio_obj_t *self) {
// Return early if self->current_scan is NULL to avoid hang
if (self->current_scan == NULL) {
return;
}
// Free the memory used to store the found aps. // Free the memory used to store the found aps.
wifi_scannednetworks_deinit(self->current_scan); wifi_scannednetworks_deinit(self->current_scan);
self->current_scan = NULL; self->current_scan = NULL;