winspool.drv: Check ptr for being NULL (Coverity).

faf1485e · Marcus Meissner · Alexandre Julliard · 6a193392 · faf1485e
Commit faf1485e authored Dec 03, 2009 by Marcus Meissner Committed by Alexandre Julliard Dec 03, 2009
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info.c dlls/winspool.drv/info.c +1 -1

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--- a/dlls/winspool.drv/info.c
+++ b/dlls/winspool.drv/info.c
@@ -3337,7 +3337,7 @@ static BOOL WINSPOOL_GetDevModeFromReg(HKEY hkey, LPCWSTR ValueName,
    if (ptr && ((DEVMODEA*)ptr)->dmSize < sizeof(DEVMODEA))
        ((DEVMODEA*)ptr)->dmSize = sizeof(DEVMODEA);
    sz += (CCHDEVICENAME + CCHFORMNAME);
-    if(buflen >= sz) {
+    if (ptr && (buflen >= sz)) {
        DEVMODEW *dmW = GdiConvertToDevmodeW((DEVMODEA*)ptr);
        memcpy(ptr, dmW, sz);
        HeapFree(GetProcessHeap(),0,dmW);