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Unified Diff: third_party/libpng/pngwrite.c

Issue 2771903002: libpng: Optimize RGBA png_do_expand_palette
Patch Set: Correct potentially uninitialized loop variable Created 3 years, 9 months ago
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Index: third_party/libpng/pngwrite.c
diff --git a/third_party/libpng/pngwrite.c b/third_party/libpng/pngwrite.c
index 181a899438b35e80cfae696be48d2a3cb81cc9ca..87881976017f3d4d0d3fd72ece4a0bc8bfd02855 100644
--- a/third_party/libpng/pngwrite.c
+++ b/third_party/libpng/pngwrite.c
@@ -937,6 +937,10 @@ png_write_destroy(png_structrp png_ptr)
png_free_buffer_list(png_ptr, &png_ptr->zbuffer_list);
png_free(png_ptr, png_ptr->row_buf);
png_ptr->row_buf = NULL;
+#ifdef PNG_READ_EXPANDED_SUPPORTED
+ png_free(png_ptr, png_ptr->row_tmp_palette);
+ png_ptr->row_tmp_palette = NULL;
+#endif
#ifdef PNG_WRITE_FILTER_SUPPORTED
png_free(png_ptr, png_ptr->prev_row);
png_free(png_ptr, png_ptr->try_row);
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