From 55195dfdb9ad54b34b0cc9057ac4fab2b142a004 Mon Sep 17 00:00:00 2001
From: Dirk Lemstra <dirk@git.imagemagick.org>
Date: Sun, 15 Oct 2017 10:16:20 +0200
Subject: [PATCH] Removed unnecessary checks for NULL when calling NewSplayTree

---
 MagickCore/coder.c  | 2 --
 MagickCore/locale.c | 2 --
 MagickCore/magick.c | 3 ---
 MagickCore/module.c | 3 ---
 MagickCore/type.c   | 2 --
 5 files changed, 12 deletions(-)

diff --git a/MagickCore/coder.c b/MagickCore/coder.c
index 0eecfedf1..8590731ee 100644
--- a/MagickCore/coder.c
+++ b/MagickCore/coder.c
@@ -335,8 +335,6 @@ static SplayTreeInfo *AcquireCoderCache(const char *filename,
   */
   cache=NewSplayTree(CompareSplayTreeString,RelinquishMagickMemory,
     DestroyCoderNode);
-  if (cache == (SplayTreeInfo *) NULL)
-    ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
   status=MagickTrue;
 #if !defined(MAGICKCORE_ZERO_CONFIGURATION_SUPPORT)
   {
diff --git a/MagickCore/locale.c b/MagickCore/locale.c
index 74cb084b9..6d2100e70 100644
--- a/MagickCore/locale.c
+++ b/MagickCore/locale.c
@@ -194,8 +194,6 @@ static SplayTreeInfo *AcquireLocaleSplayTree(const char *filename,
 
   cache=NewSplayTree(CompareSplayTreeString,(void *(*)(void *)) NULL,
     DestroyLocaleNode);
-  if (cache == (SplayTreeInfo *) NULL)
-    ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
   status=MagickTrue;
 #if !defined(MAGICKCORE_ZERO_CONFIGURATION_SUPPORT)
   {
diff --git a/MagickCore/magick.c b/MagickCore/magick.c
index 0df76eace..ee85802d9 100644
--- a/MagickCore/magick.c
+++ b/MagickCore/magick.c
@@ -1022,9 +1022,6 @@ static MagickBooleanType IsMagickTreeInstantiated(ExceptionInfo *exception)
         {
           magick_list=NewSplayTree(CompareSplayTreeString,(void *(*)(void *))
             NULL,DestroyMagickNode);
-          if (magick_list == (SplayTreeInfo *) NULL)
-            ThrowFatalException(ResourceLimitFatalError,
-              "MemoryAllocationFailed");
 #if defined(MAGICKCORE_MODULES_SUPPORT)
           (void) GetModuleInfo((char *) NULL,exception);
 #endif
diff --git a/MagickCore/module.c b/MagickCore/module.c
index 10ee49441..e1aeb8170 100644
--- a/MagickCore/module.c
+++ b/MagickCore/module.c
@@ -883,9 +883,6 @@ static MagickBooleanType IsModuleTreeInstantiated()
 
           splay_tree=NewSplayTree(CompareSplayTreeString,
             (void *(*)(void *)) NULL,DestroyModuleNode);
-          if (splay_tree == (SplayTreeInfo *) NULL)
-            ThrowFatalException(ResourceLimitFatalError,
-              "MemoryAllocationFailed");
           module_info=AcquireModuleInfo((const char *) NULL,"[boot-strap]");
           module_info->stealth=MagickTrue;
           status=AddValueToSplayTree(splay_tree,module_info->tag,module_info);
diff --git a/MagickCore/type.c b/MagickCore/type.c
index 18ac7d80a..bb4e2e839 100644
--- a/MagickCore/type.c
+++ b/MagickCore/type.c
@@ -198,8 +198,6 @@ static SplayTreeInfo *AcquireTypeCache(const char *filename,
 
   cache=NewSplayTree(CompareSplayTreeString,(void *(*)(void *)) NULL,
     DestroyTypeNode);
-  if (cache == (SplayTreeInfo *) NULL)
-    ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
   status=MagickTrue;
 #if !defined(MAGICKCORE_ZERO_CONFIGURATION_SUPPORT)
   {
-- 
2.40.0