fix possible race conditions

the initialization guard must be set after the initialization is done;
for the code assumed to be only executed in a single thread, this change was done
just for consistency - in order to avoid similar issues by copy-pasting in future

Merge-request: 2655
Reviewed-by: Jan-Arve Saether <jan-arve.saether@nokia.com>

1 files changed, 1 insertions, 3 deletions

diff --git a/src/network/kernel/qnetworkinterface_win.cpp b/src/network/kernel/qnetworkinterface_win.cpp
index 5f273d7..a624468 100644
--- a/src/network/kernel/qnetworkinterface_win.cpp
+++ b/src/network/kernel/qnetworkinterface_win.cpp
@@ -63,16 +63,14 @@ static void resolveLibs()
 {
     // try to find the functions we need from Iphlpapi.dll
     static bool done = false;
-
     if (!done) {
-        done = true;
-
         QSystemLibrary iphlpapi(QLatin1String("iphlpapi"));
         if (iphlpapi.load()) {
             ptrGetAdaptersInfo = (PtrGetAdaptersInfo)iphlpapi.resolve("GetAdaptersInfo");
             ptrGetAdaptersAddresses = (PtrGetAdaptersAddresses)iphlpapi.resolve("GetAdaptersAddresses");
             ptrGetNetworkParams = (PtrGetNetworkParams)iphlpapi.resolve("GetNetworkParams");
         }
+        done = true;
     }
 }