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Fix dereferencing of potential null pointers #5111

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merged 4 commits into from Dec 27, 2020
Merged

Fix dereferencing of potential null pointers #5111

merged 4 commits into from Dec 27, 2020

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@cgohlke
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@cgohlke cgohlke commented Dec 19, 2020

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src/libImaging/Histo.c Outdated Show resolved Hide resolved
src/libImaging/Histo.c Outdated Show resolved Hide resolved
src/libImaging/Histo.c Outdated Show resolved Hide resolved
src/libImaging/Histo.c Outdated Show resolved Hide resolved
if (h->histogram) {
free(h->histogram);
}
free(h);
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@radarhere radarhere Dec 21, 2020

I suppose this change is just to help in theory - but I'll still point out that in practice, with the other changes from this PR, ImagingHistogramDelete never receives a NULL argument.

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