Cleanup ap_list before scanning

pennam · facchinm · commit 756ebeee1ab0 · 2022-08-23T14:40:25.000+02:00
diff --git a/libraries/WiFi/src/WiFi.cpp b/libraries/WiFi/src/WiFi.cpp
@@ -162,9 +162,10 @@ static uint8_t sec2enum(nsapi_security_t sec) {
 
 int8_t arduino::WiFiClass::scanNetworks() {
   uint8_t count = 10;
-  if (ap_list == nullptr) {
-    ap_list = new WiFiAccessPoint[count];
+  if (ap_list != nullptr) {
+    free(ap_list);
   }
+  ap_list = new WiFiAccessPoint[count];
   return wifi_if->scan(ap_list, count);
 }
 

Original file line number	Diff line number	Diff line change
`@@ -162,9 +162,10 @@ static uint8_t sec2enum(nsapi_security_t sec) {`
`162`	`162`
`163`	`163`	`int8_t arduino::WiFiClass::scanNetworks() {`
`164`	`164`	`uint8_t count = 10;`
`165`		`- if (ap_list == nullptr) {`
`166`		`- ap_list = new WiFiAccessPoint[count];`
	`165`	`+ if (ap_list != nullptr) {`
	`166`	`+ free(ap_list);`
`167`	`167`	`}`
	`168`	`+ ap_list = new WiFiAccessPoint[count];`
`168`	`169`	`return wifi_if->scan(ap_list, count);`
`169`	`170`	`}`
`170`	`171`