diff options
Diffstat (limited to 'layout/svg')
-rw-r--r-- | layout/svg/nsSVGMaskFrame.cpp | 3 | ||||
-rw-r--r-- | layout/svg/nsSVGUtils.cpp | 2 |
2 files changed, 3 insertions, 2 deletions
diff --git a/layout/svg/nsSVGMaskFrame.cpp b/layout/svg/nsSVGMaskFrame.cpp index b8e4b32ae..a22833d61 100644 --- a/layout/svg/nsSVGMaskFrame.cpp +++ b/layout/svg/nsSVGMaskFrame.cpp @@ -274,7 +274,8 @@ nsSVGMaskFrame::GetMaskForMaskedFrame(gfxContext* aContext, } RefPtr<DataSourceSurface> maskSurface = maskSnapshot->GetDataSurface(); DataSourceSurface::MappedSurface map; - if (!maskSurface->Map(DataSourceSurface::MapType::READ, &map)) { + if (!maskSurface || + !maskSurface->Map(DataSourceSurface::MapType::READ, &map)) { return nullptr; } diff --git a/layout/svg/nsSVGUtils.cpp b/layout/svg/nsSVGUtils.cpp index 0bded21ff..b8794a05d 100644 --- a/layout/svg/nsSVGUtils.cpp +++ b/layout/svg/nsSVGUtils.cpp @@ -685,7 +685,7 @@ nsSVGUtils::PaintFrameWithEffects(nsIFrame *aFrame, bool isOK = effectProperties.HasNoFilterOrHasValidFilter(); nsSVGClipPathFrame *clipPathFrame = effectProperties.GetClipPathFrame(&isOK); nsSVGMaskFrame *maskFrame = effectProperties.GetFirstMaskFrame(&isOK); - if (!isOK) { + if (!isOK || !maskFrame) { // Some resource is invalid. We shouldn't paint anything. return DrawResult::SUCCESS; } |