1 files changed, 10 insertions, 2 deletions
diff --git a/src/plugins/platforms/cocoa/qnsview.mm b/src/plugins/platforms/cocoa/qnsview.mm
index 33527624df..a95ff45f30 100644
--- a/src/plugins/platforms/cocoa/qnsview.mm
+++ b/src/plugins/platforms/cocoa/qnsview.mm
@@ -192,12 +192,20 @@ static QTouchDevice *touchDevice = 0;
 {
     CGImageRelease(m_cgImage);
 
+    int width = image->width();
+    int height = image->height();
+
+    if (width <= 0 || height <= 0) {
+        qWarning() << Q_FUNC_INFO <<
+            "setting invalid size" << width << "x" << height << "for qnsview image";
+        m_cgImage = 0;
+        return;
+    }
+
     const uchar *imageData = image->bits();
     int bitDepth = image->depth();
     int colorBufferSize = 8;
     int bytesPrLine = image->bytesPerLine();
-    int width = image->width();
-    int height = image->height();
 
     CGColorSpaceRef cgColourSpaceRef = CGColorSpaceCreateDeviceRGB();