Dmitry Timoshkov : taskschd: QueryInterface should return NULL interface on error.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 4bd02f8e2d1164e8b56de73396c118412022d8b1
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=4bd02f8e2d1164e8b56de73396c118412022d8b1

Author: Dmitry Timoshkov <dmitry at baikal.ru>
Date:   Wed Feb  5 15:09:11 2014 +0900

taskschd: QueryInterface should return NULL interface on error.

---

 dlls/taskschd/folder.c            |    1 +
 dlls/taskschd/folder_collection.c |    2 ++
 dlls/taskschd/task.c              |    1 +
 3 files changed, 4 insertions(+)

diff --git a/dlls/taskschd/folder.c b/dlls/taskschd/folder.c
index 0618c23..fd516d6 100644
--- a/dlls/taskschd/folder.c
+++ b/dlls/taskschd/folder.c
@@ -83,6 +83,7 @@ static HRESULT WINAPI TaskFolder_QueryInterface(ITaskFolder *iface, REFIID riid,
     }
 
     FIXME("interface %s is not implemented\n", debugstr_guid(riid));
+    *obj = NULL;
     return E_NOINTERFACE;
 }
 
diff --git a/dlls/taskschd/folder_collection.c b/dlls/taskschd/folder_collection.c
index 1b8c39d..004a977 100644
--- a/dlls/taskschd/folder_collection.c
+++ b/dlls/taskschd/folder_collection.c
@@ -97,6 +97,7 @@ static HRESULT WINAPI folders_QueryInterface(ITaskFolderCollection *iface, REFII
     }
 
     FIXME("interface %s is not implemented\n", debugstr_guid(riid));
+    *obj = NULL;
     return E_NOINTERFACE;
 }
 
@@ -354,6 +355,7 @@ static HRESULT WINAPI enumvar_QueryInterface(IEnumVARIANT *iface, REFIID riid, v
     }
 
     FIXME("interface %s is not implemented\n", debugstr_guid(riid));
+    *obj = NULL;
     return E_NOINTERFACE;
 }
 
diff --git a/dlls/taskschd/task.c b/dlls/taskschd/task.c
index 09fe32a..97bb5f8 100644
--- a/dlls/taskschd/task.c
+++ b/dlls/taskschd/task.c
@@ -81,6 +81,7 @@ static HRESULT WINAPI TaskService_QueryInterface(ITaskService *iface, REFIID rii
     }
 
     FIXME("interface %s is not implemented\n", debugstr_guid(riid));
+    *obj = NULL;
     return E_NOINTERFACE;
 }