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css: Avoid an invalid read

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This was broken in ea7185bdb1.

Pointed out by Christian Hergert.
This commit is contained in:
Matthias Clasen 2021-02-10 19:13:36 -05:00
parent 6c85a4b2f5
commit 3eb4ec89f3
1 changed files with 7 additions and 4 deletions
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11
gtk/gtkcssfiltervalue.c
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@ -991,10 +991,13 @@ gtk_css_filter_value_pop_snapshot (const GtkCssValue *filter,
if (i < j)
gtk_snapshot_pop (snapshot);
if (filter->filters[j].type == GTK_CSS_FILTER_BLUR)
gtk_snapshot_pop (snapshot);
else if (filter->filters[j].type == GTK_CSS_FILTER_DROP_SHADOW)
gtk_css_shadow_value_pop_snapshot (filter->filters[j].drop_shadow.value, snapshot);
if (j < filter->n_filters)
{
if (filter->filters[j].type == GTK_CSS_FILTER_BLUR)
gtk_snapshot_pop (snapshot);
else if (filter->filters[j].type == GTK_CSS_FILTER_DROP_SHADOW)
gtk_css_shadow_value_pop_snapshot (filter->filters[j].drop_shadow.value, snapshot);
}
i = j + 1;
}