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mshtml: Check for the container's doc being NULL in nsTooltipListener_OnShowTooltip and nsTooltipListener_OnHideTooltip. 

They could be called after NSContainer_Release is called.
This commit is contained in:
Rob Shearman 2008-12-27 17:28:42 +00:00 committed by Alexandre Julliard
parent 83b081f73c
commit 07e8ab45c9
1 changed files with 4 additions and 2 deletions
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6
dlls/mshtml/nsembed.c
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@ -1496,7 +1496,8 @@ static nsresult NSAPI nsTooltipListener_OnShowTooltip(nsITooltipListener *iface,
{
NSContainer *This = NSTOOLTIP_THIS(iface);
show_tooltip(This->doc, aXCoord, aYCoord, aTipText);
if (This->doc)
show_tooltip(This->doc, aXCoord, aYCoord, aTipText);
return NS_OK;
}
@ -1505,7 +1506,8 @@ static nsresult NSAPI nsTooltipListener_OnHideTooltip(nsITooltipListener *iface)
{
NSContainer *This = NSTOOLTIP_THIS(iface);
hide_tooltip(This->doc);
if (This->doc)
hide_tooltip(This->doc);
return NS_OK;
}