[reactos] 01/01: [SHELL32] SHCreateShellFolderView(): Fix parameter validation order. (#1632)

[Serge Gautherie]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=8a8453494f810be74820c…

commit 8a8453494f810be74820ce291e59fa1c7ad99b50
Author:     Serge Gautherie <32623169+SergeGautherie(a)users.noreply.github.com>
AuthorDate: Sun Jun 9 15:57:45 2019 +0200
Commit:     Hermès BÉLUSCA - MAÏTO <hermes.belusca-maito(a)reactos.org>
CommitDate: Sun Jun 9 15:57:45 2019 +0200

    [SHELL32] SHCreateShellFolderView(): Fix parameter validation order. (#1632)
    
    Fixes one modification from commit ae2a85d0.
    CORE-16098
---
 dll/win32/shell32/CDefView.cpp | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/dll/win32/shell32/CDefView.cpp b/dll/win32/shell32/CDefView.cpp
index 8541e56fa7..df076f5263 100644
--- a/dll/win32/shell32/CDefView.cpp
+++ b/dll/win32/shell32/CDefView.cpp
@@ -3449,14 +3449,17 @@ HRESULT WINAPI SHCreateShellFolderView(const SFV_CREATE *pcsfv,
     CComPtr<IShellView> psv;
     HRESULT hRes;
 
-    if (!ppsv || !pcsfv || pcsfv->cbSize != sizeof(*pcsfv))
+    if (!ppsv)
+        return E_INVALIDARG;
+
+    *ppsv = NULL;
+
+    if (!pcsfv || pcsfv->cbSize != sizeof(*pcsfv))
         return E_INVALIDARG;
 
     TRACE("sf=%p outer=%p callback=%p\n",
       pcsfv->pshf, pcsfv->psvOuter, pcsfv->psfvcb);
 
-    *ppsv = NULL;
-
     hRes = CDefView_CreateInstance(pcsfv->pshf, IID_PPV_ARG(IShellView, &psv));
     if (FAILED(hRes))
         return hRes;