[PATCH] winspool.drv: Check return value of EnumPrintersA

[Marcus Meissner]

Hi,

Otherwise needed is in a undefined state.

Ciao, Marcus
---
 dlls/winspool.drv/info.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/dlls/winspool.drv/info.c b/dlls/winspool.drv/info.c
index 4a084d1..4ffe092 100644
--- a/dlls/winspool.drv/info.c
+++ b/dlls/winspool.drv/info.c
@@ -964,8 +964,7 @@ void WINSPOOL_LoadSystemPrinters(void)
        printers AddPrinter takes a while.  So we'll tag all printers that
        were automatically added last time around, if they still exist
        we'll leave them be otherwise we'll delete them. */
-    EnumPrintersA(PRINTER_ENUM_LOCAL, NULL, 5, NULL, 0, &needed, &num);
-    if(needed) {
+    if (EnumPrintersA(PRINTER_ENUM_LOCAL, NULL, 5, NULL, 0, &needed, &num) && needed) {
         PRINTER_INFO_5A* pi = HeapAlloc(GetProcessHeap(), 0, needed);
         if(EnumPrintersA(PRINTER_ENUM_LOCAL, NULL, 5, (LPBYTE)pi, needed, &needed, &num)) {
             for(i = 0; i < num; i++) {
-- 
1.7.1