Huw Davies : kernelbase: Avoid relying on the exception handler to test that handle != NULL.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: f27a77e593f687f06080aa91112157bbb86d861c
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=f27a77e593f687f06080aa911...

Author: Huw Davies <huw(a)codeweavers.com>
Date:   Mon Jan 10 14:06:49 2022 +0000

kernelbase: Avoid relying on the exception handler to test that handle != NULL.

Fixes a regression in SlingPlayer 2 caused by commit
a76518c186ac0893ea460cd3b061096f1b05c8cc.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=52127
Signed-off-by: Huw Davies <huw(a)codeweavers.com>

---

 dlls/kernelbase/memory.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/dlls/kernelbase/memory.c b/dlls/kernelbase/memory.c
index b89ab04a38f..9490626a40a 100644
--- a/dlls/kernelbase/memory.c
+++ b/dlls/kernelbase/memory.c
@@ -883,6 +883,7 @@ LPVOID WINAPI DECLSPEC_HOTPATCH LocalLock( HLOCAL handle )
 
     TRACE_(globalmem)( "handle %p\n", handle );
 
+    if (!handle) return NULL;
     if ((ret = unsafe_ptr_from_HLOCAL( handle )))
     {
         __TRY