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Prevent null pointer access

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Thanks to Ingo for fixing the segfault.
This commit is contained in:
Lawrence Lee
2020-09-28 22:17:49 -07:00
parent be858363a6
commit b8af429f0e
2 changed files with 4 additions and 2 deletions
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2
rtengine/improccoordinator.cc
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@@ -364,7 +364,7 @@ void ImProcCoordinator::updatePreviewImage(int todo, bool panningRelatedChange)
} }
imgsrc->getRAWHistogram(histRedRaw, histGreenRaw, histBlueRaw); imgsrc->getRAWHistogram(histRedRaw, histGreenRaw, histBlueRaw);
hist_raw_dirty = !hListener->updateHistogramRaw(); hist_raw_dirty = !(hListener && hListener->updateHistogramRaw());
highDetailPreprocessComputed = highDetailNeeded; highDetailPreprocessComputed = highDetailNeeded;

4
rtengine/improccoordinator.h
View File

@@ -469,7 +469,9 @@ public:
hListener->setObservable(nullptr); hListener->setObservable(nullptr);
} }
hListener = h; hListener = h;
h->setObservable(this); if (h) {
h->setObservable(this);
}
} }
void setAutoCamListener (AutoCamListener* acl) override void setAutoCamListener (AutoCamListener* acl) override
{ {