From 0df4a0e2f3b5593f5738d87549ab1894ec61c8bc Mon Sep 17 00:00:00 2001
From: baldurk <baldurk@baldurk.org>
Date: Thu, 8 Sep 2016 10:45:27 +0200
Subject: [PATCH] If GetProcAddress for the real function returns NULL, don't
 hook func

---
 renderdoc/os/win32/win32_hook.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/renderdoc/os/win32/win32_hook.cpp b/renderdoc/os/win32/win32_hook.cpp
index 2e1d6313e..a093ee431 100644
--- a/renderdoc/os/win32/win32_hook.cpp
+++ b/renderdoc/os/win32/win32_hook.cpp
@@ -493,6 +493,9 @@ FARPROC WINAPI Hooked_GetProcAddress(HMODULE mod, LPCSTR func)
         if(found->origptr && *found->origptr == NULL)
           *found->origptr = (void *)GetProcAddress(mod, func);
 
+        if(*found->origptr == NULL)
+          return NULL;
+
         return (FARPROC)found->hookptr;
       }
     }