[reactos] 132/360: [WINESYNC] msi: Don't refcount the msi_custom_action_info struct.

[winesync]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=8c067cc02c7de739c5faf7...

commit 8c067cc02c7de739c5faf756e614d0844c56cad2
Author:     winesync [e-mail]
AuthorDate: Sat Mar 12 23:54:32 2022 +0100
Commit:     Mark Jansen [e-mail]
CommitDate: Sun Mar 20 19:27:59 2022 +0100

[WINESYNC] msi: Don't refcount the msi_custom_action_info struct.

This is unnecessary, and may have always been so. The struct will either be
    freed after it completes synchronously, or after it has completed
    asynchronously in ACTION_FinishCustomActions().

Signed-off-by: Zebediah Figura [e-mail]
    Signed-off-by: Hans Leidekker [e-mail]
    Signed-off-by: Alexandre Julliard [e-mail]

wine commit id b7f06accb05edd70239dbd7b04b956bf10456dee by Zebediah Figura [e-mail]
---
 dll/win32/msi/custom.c | 46 ++++++++++++++--------------------------------
 1 file changed, 14 insertions(+), 32 deletions(-)

diff --git a/dll/win32/msi/custom.c b/dll/win32/msi/custom.c
index 9cf3ba1081c..9d44008be73 100644
--- a/dll/win32/msi/custom.c
+++ b/dll/win32/msi/custom.c
@@ -381,7 +381,6 @@ static UINT wait_process_handle(MSIPACKAGE* package, UINT type,

typedef struct _msi_custom_action_info {
     struct list entry;
-    LONG refs;
     MSIPACKAGE *package;
     LPWSTR source;
     LPWSTR target;
@@ -392,31 +391,22 @@ typedef struct _msi_custom_action_info {
     DWORD arch;
 } msi_custom_action_info;

-static void release_custom_action_data( msi_custom_action_info *info )
+static void free_custom_action_data( msi_custom_action_info *info )
 {
     EnterCriticalSection( &msi_custom_action_cs );

-    if (!--info->refs)
-    {
-        list_remove( &info->entry );
-        if (info->handle)
-            CloseHandle( info->handle );
-        msi_free( info->action );
-        msi_free( info->source );
-        msi_free( info->target );
-        msiobj_release( &info->package->hdr );
-        msi_free( info );
-    }
+    list_remove( &info->entry );
+    if (info->handle)
+        CloseHandle( info->handle );
+    msi_free( info->action );
+    msi_free( info->source );
+    msi_free( info->target );
+    msiobj_release( &info->package->hdr );
+    msi_free( info );

LeaveCriticalSection( &msi_custom_action_cs );
 }

-/* must be called inside msi_custom_action_cs if info is in the pending custom actions list */
-static void addref_custom_action_data( msi_custom_action_info *info )
-{
-    info->refs++;
- }
-
 static UINT wait_thread_handle( msi_custom_action_info *info )
 {
     UINT rc = ERROR_SUCCESS;
@@ -430,7 +420,7 @@ static UINT wait_thread_handle( msi_custom_action_info *info )
         if (!(info->type & msidbCustomActionTypeContinue))
             rc = custom_get_thread_return( info->package, info->handle );

-        release_custom_action_data( info );
+        free_custom_action_data( info );
     }
     else
     {
@@ -451,7 +441,6 @@ static msi_custom_action_info *find_action_by_guid( const GUID *guid )
     {
         if (IsEqualGUID( &info->guid, guid ))
         {
-            addref_custom_action_data( info );
             found = TRUE;
             break;
         }
@@ -740,7 +729,6 @@ static msi_custom_action_info *do_msidbCustomActionTypeDll(
         return NULL;

msiobj_addref( &package->hdr );
-    info->refs = 2; /* 1 for our caller and 1 for thread we created */
     info->package = package;
     info->type = type;
     info->target = strdupW( target );
@@ -782,9 +770,7 @@ static msi_custom_action_info *do_msidbCustomActionTypeDll(
     info->handle = CreateThread(NULL, 0, custom_client_thread, info, 0, NULL);
     if (!info->handle)
     {
-        /* release both references */
-        release_custom_action_data( info );
-        release_custom_action_data( info );
+        free_custom_action_data( info );
         return NULL;
     }

@@ -1071,7 +1057,6 @@ static DWORD ACTION_CallScript( const GUID *guid )
     else
         ERR("failed to create handle for %p\n", info->package );

-    release_custom_action_data( info );
     return r;
 }

@@ -1100,7 +1085,6 @@ static msi_custom_action_info *do_msidbCustomActionTypeScript(
         return NULL;

msiobj_addref( &package->hdr );
-    info->refs = 2; /* 1 for our caller and 1 for thread we created */
     info->package = package;
     info->type = type;
     info->target = strdupW( function );
@@ -1115,9 +1099,7 @@ static msi_custom_action_info *do_msidbCustomActionTypeScript(
     info->handle = CreateThread( NULL, 0, ScriptThread, &info->guid, 0, NULL );
     if (!info->handle)
     {
-        /* release both references */
-        release_custom_action_data( info );
-        release_custom_action_data( info );
+        free_custom_action_data( info );
         return NULL;
     }

@@ -1511,7 +1493,8 @@ void ACTION_FinishCustomActions(const MSIPACKAGE* package)
     EnterCriticalSection( &msi_custom_action_cs );
     LIST_FOR_EACH_ENTRY_SAFE( info, cursor, &msi_pending_custom_actions, msi_custom_action_info, entry )
     {
-        if (info->package == package) release_custom_action_data( info );
+        if (info->package == package)
+            free_custom_action_data( info );
     }
     LeaveCriticalSection( &msi_custom_action_cs );
 }
@@ -1529,6 +1512,5 @@ UINT __cdecl s_remote_GetActionInfo(const GUID *guid, int *type, LPWSTR *dll, LP
     *dll = strdupW(info->source);
     *func = strdupWtoA(info->target);

-    release_custom_action_data(info);
     return ERROR_SUCCESS;
 }