Marcus Meissner : netapi32: Check for GetUserNameW return (Coverity).

[Alexandre Julliard]

Module: wine
Branch: master
Commit: f014487f9e4fc24d6a049abc967fd86ab5afef1e
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=f014487f9e4fc24d6a049abc967fd86ab5afef1e

Author: Marcus Meissner <meissner at suse.de>
Date:   Wed Sep  7 15:18:58 2011 +0200

netapi32: Check for GetUserNameW return (Coverity).

---

 dlls/netapi32/access.c      |    5 ++++-
 dlls/netapi32/local_group.c |    4 +++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/dlls/netapi32/access.c b/dlls/netapi32/access.c
index 255e51b..7cd05fc 100644
--- a/dlls/netapi32/access.c
+++ b/dlls/netapi32/access.c
@@ -437,7 +437,10 @@ NetUserGetLocalGroups(LPCWSTR servername, LPCWSTR username, DWORD level,
 
     size = UNLEN + 1;
     NetApiBufferAllocate(size * sizeof(WCHAR), (LPVOID*)&currentuser);
-    GetUserNameW(currentuser, &size);
+    if (!GetUserNameW(currentuser, &size)) {
+        NetApiBufferFree(currentuser);
+        return ERROR_NOT_ENOUGH_MEMORY;
+    }
 
     if (lstrcmpiW(username, currentuser) && NETAPI_FindUser(username))
     {
diff --git a/dlls/netapi32/local_group.c b/dlls/netapi32/local_group.c
index 7f7d3c1..f4f4214 100644
--- a/dlls/netapi32/local_group.c
+++ b/dlls/netapi32/local_group.c
@@ -196,7 +196,9 @@ NET_API_STATUS WINAPI NetLocalGroupGetMembers(
         *entriesread = 0;
 
         userNameLen = MAX_COMPUTERNAME_LENGTH + 1;
-        GetUserNameW(userName,&userNameLen);
+        if (!GetUserNameW(userName,&userNameLen))
+            return ERROR_NOT_ENOUGH_MEMORY;
+
         needlen = sizeof(LOCALGROUP_MEMBERS_INFO_3) +
              (userNameLen+2) * sizeof(WCHAR);
         if (prefmaxlen != MAX_PREFERRED_LENGTH)