Marcus Meissner : msi: Check for return value of GetUserName (Coverity).

[Alexandre Julliard]

Module: wine
Branch: master
Commit: ac0a7b644fa464fa640e06a6e26b2191b5a29a92
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=ac0a7b644fa464fa640e06a6e2...

Author: Marcus Meissner <meissner(a)suse.de>
Date:   Wed Sep  7 15:48:23 2011 +0200

msi: Check for return value of GetUserName (Coverity).

---

 dlls/msi/package.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/dlls/msi/package.c b/dlls/msi/package.c
index 1025607..bec7627 100644
--- a/dlls/msi/package.c
+++ b/dlls/msi/package.c
@@ -501,7 +501,8 @@ static UINT set_user_sid_prop( MSIPACKAGE *package )
     UINT r = ERROR_FUNCTION_FAILED;
 
     size = 0;
-    GetUserNameW( NULL, &size );
+    if (!GetUserNameW( NULL, &size ))
+	return r;
 
     user_name = msi_alloc( (size + 1) * sizeof(WCHAR) );
     if (!user_name)