1 files changed, 3 insertions, 3 deletions
diff --git a/src/corelib/thread/qreadwritelock.cpp b/src/corelib/thread/qreadwritelock.cpp
index c8463de402..8c28507d5a 100644
--- a/src/corelib/thread/qreadwritelock.cpp
+++ b/src/corelib/thread/qreadwritelock.cpp
@@ -227,7 +227,7 @@ bool QReadWriteLock::tryLockForRead(int timeout)
         return true;
 
     while (true) {
-        if (d == 0) {
+        if (d == nullptr) {
             if (!d_ptr.testAndSetAcquire(nullptr, dummyLockedForRead, d))
                 continue;
             return true;
@@ -341,7 +341,7 @@ bool QReadWriteLock::tryLockForWrite(int timeout)
         return true;
 
     while (true) {
-        if (d == 0) {
+        if (d == nullptr) {
             if (!d_ptr.testAndSetAcquire(d, dummyLockedForWrite, d))
                 continue;
             return true;
@@ -581,7 +581,7 @@ void QReadWriteLockPrivate::recursiveUnlock()
     if (self == currentWriter) {
         if (--writerCount > 0)
             return;
-        currentWriter = 0;
+        currentWriter = nullptr;
     } else {
         auto it = currentReaders.find(self);
         if (it == currentReaders.end()) {