Acquire the global lock when the

dump method is called.

This should prevent a race condition
between stop() and dump().

stop() already acquires the global lock
when it calls validateAndCall().

Bug: 274641043
Test: adb shell dumpsys wifi # validates dump()
Change-Id: Ie2df0861308954cd2e399c9604d4ae0dcddf95fb

wifi/aidl/default/wifi.cpp

@@ -19,6 +19,7 @@
 #include <android-base/logging.h>
 
 #include "aidl_return_util.h"
+#include "aidl_sync_util.h"
 #include "wifi_status_util.h"
 
 namespace {
@@ -32,6 +33,7 @@ namespace hardware {
 namespace wifi {
 using aidl_return_util::validateAndCall;
 using aidl_return_util::validateAndCallWithLock;
+using aidl_sync_util::acquireGlobalLock;
 
 Wifi::Wifi(const std::shared_ptr<::android::wifi_system::InterfaceTool> iface_tool,
            const std::shared_ptr<legacy_hal::WifiLegacyHalFactory> legacy_hal_factory,
@@ -78,6 +80,7 @@ ndk::ScopedAStatus Wifi::getChip(int32_t in_chipId, std::shared_ptr<IWifiChip>*
 }
 
 binder_status_t Wifi::dump(int fd, const char** args, uint32_t numArgs) {
+    const auto lock = acquireGlobalLock();
     LOG(INFO) << "-----------Debug was called----------------";
     if (chips_.size() == 0) {
         LOG(INFO) << "No chips to display.";