From 9b4ef67be1150a2b3cf6e5db70d208cedff2f5dd Mon Sep 17 00:00:00 2001 From: "jst%netscape.com" Date: Wed, 26 Apr 2000 23:22:06 +0000 Subject: [PATCH] Fix crash when modifying a stylesheet through the DOM before the document is displayed. git-svn-id: svn://10.0.0.236/trunk@67315 18797224-902f-48f8-a5cc-f745e15eee43 --- mozilla/layout/base/nsCSSFrameConstructor.cpp | 4 ++++ mozilla/layout/html/style/src/nsCSSFrameConstructor.cpp | 4 ++++ 2 files changed, 8 insertions(+) diff --git a/mozilla/layout/base/nsCSSFrameConstructor.cpp b/mozilla/layout/base/nsCSSFrameConstructor.cpp index 85a78b27f44..423a4f371fe 100644 --- a/mozilla/layout/base/nsCSSFrameConstructor.cpp +++ b/mozilla/layout/base/nsCSSFrameConstructor.cpp @@ -9455,6 +9455,10 @@ nsCSSFrameConstructor::StyleRuleChanged(nsIPresContext* aPresContext, nsIFrame* frame; shell->GetRootFrame(&frame); + if (!frame) { + return NS_OK; + } + PRBool reframe = PR_FALSE; PRBool reflow = PR_FALSE; PRBool render = PR_FALSE; diff --git a/mozilla/layout/html/style/src/nsCSSFrameConstructor.cpp b/mozilla/layout/html/style/src/nsCSSFrameConstructor.cpp index 85a78b27f44..423a4f371fe 100644 --- a/mozilla/layout/html/style/src/nsCSSFrameConstructor.cpp +++ b/mozilla/layout/html/style/src/nsCSSFrameConstructor.cpp @@ -9455,6 +9455,10 @@ nsCSSFrameConstructor::StyleRuleChanged(nsIPresContext* aPresContext, nsIFrame* frame; shell->GetRootFrame(&frame); + if (!frame) { + return NS_OK; + } + PRBool reframe = PR_FALSE; PRBool reflow = PR_FALSE; PRBool render = PR_FALSE;