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| author | Matt A. Tobin <email@mattatobin.com> | 2020-04-16 16:42:26 -0400 |
|---|---|---|
| committer | Matt A. Tobin <email@mattatobin.com> | 2020-04-16 16:42:26 -0400 |
| commit | 32c3ee92b8b9b1640d346761b36c642f9a968ce3 (patch) | |
| tree | c2e5bb9e3ecbe40c9c02046c21cb1c60c0923405 | |
| parent | 0d149a4c091f856869490b1567d541c91010bc5c (diff) | |
| download | UXP-32c3ee92b8b9b1640d346761b36c642f9a968ce3.tar UXP-32c3ee92b8b9b1640d346761b36c642f9a968ce3.tar.gz UXP-32c3ee92b8b9b1640d346761b36c642f9a968ce3.tar.lz UXP-32c3ee92b8b9b1640d346761b36c642f9a968ce3.tar.xz UXP-32c3ee92b8b9b1640d346761b36c642f9a968ce3.zip | |
Bug 1340885 - Null check frame's content when searching for NAC ancestors in GetCorrectedParent
Tag #1375
| -rw-r--r-- | layout/generic/nsFrame.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/layout/generic/nsFrame.cpp b/layout/generic/nsFrame.cpp index ba1e9567a..2b81ce83b 100644 --- a/layout/generic/nsFrame.cpp +++ b/layout/generic/nsFrame.cpp @@ -8962,7 +8962,8 @@ GetCorrectedParent(const nsIFrame* aFrame) // box, or a non-NAC-backed pseudo like ::first-line) that does not match the // one that the NAC implements, if any. nsIContent* content = aFrame->GetContent(); - Element* element = content->IsElement() ? content->AsElement() : nullptr; + Element* element = + content && content->IsElement() ? content->AsElement() : nullptr; if (element && element->IsNativeAnonymous() && element->GetPseudoElementType() == aFrame->StyleContext()->GetPseudoType()) { while (parent->GetContent() && parent->GetContent()->IsNativeAnonymous()) { |