[libpng16] Do not enable tRNS having trans_color with out-of-range value.

1 files changed, 1 insertions, 1 deletions

diff --git a/pngset.c b/pngset.c
index d2ee44f18..d6b540384 100644
--- a/pngset.c
+++ b/pngset.c
@@ -1038,7 +1038,7 @@ png_set_tRNS(png_structrp png_ptr, png_inforp info_ptr,
           {
             png_warning(png_ptr,
                 "tRNS chunk has out-of-range samples for bit_depth");
-            trans_color = NULL;
+            return;
           }
       }