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bug 13630, r=troy, a=leaf, Added a null check to prevent a crash.

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This commit is contained in:
nisheeth%netscape.com 1999-09-24 01:58:32 +00:00
parent 5a207c767a
commit 19143aa5fe
2 changed files with 4 additions and 4 deletions
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4
layout/base/nsPresShell.cpp
View File

@ -1725,9 +1725,9 @@ PresShell::ContentAppended(nsIDocument *aDocument,
// If history state has been set by session history, ask the frame manager
// to restore frame state for the frame hierarchy created for the chunk of
// content that just came in.
nsIFrame* frame = nsnull;
nsIFrame* frame;
rv = GetPrimaryFrameFor(aContainer, &frame);
if (NS_SUCCEEDED(rv))
if (NS_SUCCEEDED(rv) && nsnull != frame)
mFrameManager->RestoreFrameState(frame, mHistoryState);
}

4
layout/html/base/src/nsPresShell.cpp
View File

@ -1725,9 +1725,9 @@ PresShell::ContentAppended(nsIDocument *aDocument,
// If history state has been set by session history, ask the frame manager
// to restore frame state for the frame hierarchy created for the chunk of
// content that just came in.
nsIFrame* frame = nsnull;
nsIFrame* frame;
rv = GetPrimaryFrameFor(aContainer, &frame);
if (NS_SUCCEEDED(rv))
if (NS_SUCCEEDED(rv) && nsnull != frame)
mFrameManager->RestoreFrameState(frame, mHistoryState);
}