Index: Source/core/html/shadow/SliderThumbElement.cpp |
diff --git a/Source/core/html/shadow/SliderThumbElement.cpp b/Source/core/html/shadow/SliderThumbElement.cpp |
index e34c2c0d92e96aef021158e3d3e4a9bfbdb46de9..fa1c0ec45bc6a62c965d770bc413bc1482a1bebb 100644 |
--- a/Source/core/html/shadow/SliderThumbElement.cpp |
+++ b/Source/core/html/shadow/SliderThumbElement.cpp |
@@ -322,7 +322,8 @@ void SliderThumbElement::stopDragging() |
m_inDragMode = false; |
if (renderer()) |
renderer()->setNeedsLayout(); |
- hostInput()->dispatchFormControlChangeEvent(); |
+ if (hostInput()) |
+ hostInput()->dispatchFormControlChangeEvent(); |
} |
void SliderThumbElement::defaultEventHandler(Event* event) |