From 2969375aa697192bb08fd66880c1524df0c6290a Mon Sep 17 00:00:00 2001
From: Glenn Randers-Pehrson <glennrp at users.sourceforge.net>
Date: Tue, 22 Jan 2013 07:03:51 -0600
Subject: [PATCH] [libpng17] Restored a "return" statement accidentally deleted
 from pngset.c

---
 pngset.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pngset.c b/pngset.c
index f4e03ec36..376467eaf 100644
--- a/pngset.c
+++ b/pngset.c
@@ -1385,6 +1385,7 @@ png_set_keep_unknown_chunks(png_structrp png_ptr, int keep,
    if (num_chunks + old_num_chunks > UINT_MAX/5)
    {
       png_app_error(png_ptr, "png_set_keep_unknown_chunks: too many chunks");
+      return;
    }
 
    /* If these chunks are being reset to the default then no more memory is