msi: Verify the szFilePath parameter of MsiGetFileHash.

dlls/msi/msi.c

@@ -2277,6 +2277,12 @@ UINT WINAPI MsiGetFileHashW( LPCWSTR szFilePath, DWORD dwOptions,
 
     TRACE("%s %08x %p\n", debugstr_w(szFilePath), dwOptions, pHash );
 
+    if (!szFilePath)
+        return ERROR_INVALID_PARAMETER;
+
+    if (!*szFilePath)
+        return ERROR_PATH_NOT_FOUND;
+
     if (dwOptions)
         return ERROR_INVALID_PARAMETER;
     if (!pHash)

dlls/msi/tests/msi.c

@@ -287,17 +287,11 @@ static void test_MsiGetFileHash(void)
 
     /* szFilePath is NULL */
     r = pMsiGetFileHashA(NULL, 0, &hash);
-    todo_wine
-    {
-        ok(r == ERROR_INVALID_PARAMETER, "Expected ERROR_INVALID_PARAMETER, got %d\n", r);
-    }
+    ok(r == ERROR_INVALID_PARAMETER, "Expected ERROR_INVALID_PARAMETER, got %d\n", r);
 
     /* szFilePath is empty */
     r = pMsiGetFileHashA("", 0, &hash);
-    todo_wine
-    {
-        ok(r == ERROR_PATH_NOT_FOUND, "Expected ERROR_PATH_NOT_FOUND, got %d\n", r);
-    }
+    ok(r == ERROR_PATH_NOT_FOUND, "Expected ERROR_PATH_NOT_FOUND, got %d\n", r);
 
     /* szFilePath is nonexistent */
     r = pMsiGetFileHashA(name, 0, &hash);