[reactos] 05/06: [SHIMENG] Prevent a nullptr dereference

[Mark Jansen]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=6969e85b29ebc1bfcf289d...

commit 6969e85b29ebc1bfcf289de83cd238eb4ff9229c
Author:     Mark Jansen [e-mail]
AuthorDate: Thu Jan 3 22:17:01 2019 +0100
Commit:     Mark Jansen [e-mail]
CommitDate: Sat Jan 5 13:11:35 2019 +0100

[SHIMENG] Prevent a nullptr dereference
---
 dll/appcompat/apphelp/shimeng.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/dll/appcompat/apphelp/shimeng.c b/dll/appcompat/apphelp/shimeng.c
index 0351ac399d..3520266133 100644
--- a/dll/appcompat/apphelp/shimeng.c
+++ b/dll/appcompat/apphelp/shimeng.c
@@ -1,8 +1,8 @@
 /*
  * PROJECT:     ReactOS Application compatibility module
- * LICENSE:     GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
+ * LICENSE:     GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
  * PURPOSE:     Shim engine core
- * COPYRIGHT:   Copyright 2015-2018 Mark Jansen ([e-mail])
+ * COPYRIGHT:   Copyright 2015-2019 Mark Jansen ([e-mail])
  */

#define WIN32_NO_STATUS
@@ -585,7 +585,8 @@ VOID SeiAddHooks(PHOOKAPIEX hooks, DWORD dwHookCount, PSHIMINFO pShim)
             }
         }
         pHookApi = ARRAY_Append(&HookModuleInfo->HookApis, PHOOKAPIEX);
-        *pHookApi = hook;
+        if (pHookApi)
+            *pHookApi = hook;
     }
 }