Fixed ESP8266 nullpointer dereference.

2019-12-31 14:49:01 +01:00 · 2019-12-31 14:49:01 +01:00 · 0adb47b3aa
parent 5f495db06b
commit 0adb47b3aa
1 changed files with 3 additions and 0 deletions
--- a/components/wifi/esp8266-driver/ESP8266/ESP8266.cpp
+++ b/components/wifi/esp8266-driver/ESP8266/ESP8266.cpp
@ -557,6 +557,9 @@ nsapi_error_t ESP8266::open_tcp(int id, const char *addr, int port, int keepaliv
    static const char *type = "TCP";
    bool done = false;

+    if (!addr) {
+        return NSAPI_ERROR_PARAMETER;
+    }
    _smutex.lock();

    // process OOB so that _sock_i reflects the correct state of the socket