[reactos] 160/360: [WINESYNC] msi: Fix memory leaks.

[winesync]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=4b4baf5cb8a54717897be…
commit 4b4baf5cb8a54717897be122c8bfe5feab4f70ea
Author:     winesync <ros-dev(a)reactos.org>
AuthorDate: Sun Mar 13 00:08:17 2022 +0100
Commit:     Mark Jansen <mark.jansen(a)reactos.org>
CommitDate: Sun Mar 20 19:28:04 2022 +0100
    [WINESYNC] msi: Fix memory leaks.
    Signed-off-by: Hans Leidekker <hans(a)codeweavers.com>
    Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>
    wine commit id 965ca1b4de78600366cde437c97a7208a954b18b by Hans Leidekker
<hans(a)codeweavers.com>
---
 dll/win32/msi/custom.c | 49 ++++++++++++++++++++++++++-----------------------
 1 file changed, 26 insertions(+), 23 deletions(-)
diff --git a/dll/win32/msi/custom.c b/dll/win32/msi/custom.c
index caa379b416d..25c90a9fde0 100644
--- a/dll/win32/msi/custom.c
+++ b/dll/win32/msi/custom.c
@@ -553,46 +553,49 @@ UINT CDECL __wine_msi_call_dll_function(const GUID *guid)
     if (r != ERROR_SUCCESS)
         return r;
+    hPackage = alloc_msi_remote_handle( remote_package );
+    if (!hPackage)
+    {
+        ERR( "failed to create handle for %x\n", remote_package );
+        midl_user_free( dll );
+        midl_user_free( proc );
+        return ERROR_INSTALL_FAILURE;
+    }
+
     hModule = LoadLibraryW( dll );
     if (!hModule)
     {
         ERR( "failed to load dll %s (%u)\n", debugstr_w( dll ), GetLastError()
);
+        midl_user_free( dll );
+        midl_user_free( proc );
+        MsiCloseHandle( hPackage );
         return ERROR_SUCCESS;
     }
     fn = (MsiCustomActionEntryPoint) GetProcAddress( hModule, proc );
-    if (fn)
+    if (!fn) WARN( "GetProcAddress(%s) failed\n", debugstr_a(proc) );
+    else
     {
-        hPackage = alloc_msi_remote_handle( remote_package );
-        if (hPackage)
+        handle_msi_break(proc);
+
+        __TRY
         {
-            TRACE("calling %s\n", debugstr_a(proc));
-            handle_msi_break(proc);
-
-            __TRY
-            {
-                r = custom_proc_wrapper(fn, hPackage);
-            }
-            __EXCEPT_PAGE_FAULT
-            {
-                ERR("Custom action (%s:%s) caused a page fault: %08x\n",
-                    debugstr_w(dll), debugstr_a(proc), GetExceptionCode());
-                r = ERROR_SUCCESS;
-            }
-            __ENDTRY;
-
-            MsiCloseHandle( hPackage );
+            r = custom_proc_wrapper( fn, hPackage );
         }
-        else
-            ERR("failed to create handle for %x\n", remote_package );
+        __EXCEPT_PAGE_FAULT
+        {
+            ERR( "Custom action (%s:%s) caused a page fault: %08x\n",
+                 debugstr_w(dll), debugstr_a(proc), GetExceptionCode() );
+            r = ERROR_SUCCESS;
+        }
+        __ENDTRY;
     }
-    else
-        ERR("GetProcAddress(%s) failed\n", debugstr_a(proc));
     FreeLibrary(hModule);
     midl_user_free(dll);
     midl_user_free(proc);
+    MsiCloseHandle(hPackage);
     return r;
 }