From 2fca090d8d25ebfe90f2ba7839031ec5f1e6ee21 Mon Sep 17 00:00:00 2001
From: Dirk Lemstra <dirk@git.imagemagick.org>
Date: Tue, 2 May 2017 08:47:04 +0200
Subject: [PATCH] Removed unnecessary check.

---
 coders/png.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/coders/png.c b/coders/png.c
index 7413f1fb5..cbe6bdd3d 100644
--- a/coders/png.c
+++ b/coders/png.c
@@ -3832,8 +3832,7 @@ static Image *ReadOnePNGImage(MngInfo *mng_info,
       }
     }
 
-  if (quantum_info != (QuantumInfo *) NULL)
-    quantum_info=DestroyQuantumInfo(quantum_info);
+  quantum_info=DestroyQuantumInfo(quantum_info);
 
   if (image->storage_class == PseudoClass)
     {
-- 
2.50.1