Don't change owner if take() doesnt succeed (espressif#3987)

Author: Bascy

libraries/BLE/src/FreeRTOS.cpp

@@ -193,8 +193,8 @@ bool FreeRTOS::Semaphore::take(std::string owner) {
 } else {
 rc = ::xSemaphoreTake(m_semaphore, portMAX_DELAY) == pdTRUE;
 }
-m_owner = owner;
 if (rc) {
+m_owner = owner;
 log_v("Semaphore taken: %s", toString().c_str());
 } else {
 log_e("Semaphore NOT taken: %s", toString().c_str());
@@ -218,8 +218,8 @@ bool FreeRTOS::Semaphore::take(uint32_t timeoutMs, std::string owner) {
 } else {
 rc = ::xSemaphoreTake(m_semaphore, timeoutMs / portTICK_PERIOD_MS) == pdTRUE;
 }
-m_owner = owner;
 if (rc) {
+m_owner = owner;
 log_v("Semaphore taken: %s", toString().c_str());
 } else {
 log_e("Semaphore NOT taken: %s", toString().c_str());