[PATCH 3/4] dplayx: Don't crash if sdesc is NULL in EnumSessions().

[Anton Baskanov]

From: Anton Baskanov

---
 dlls/dplayx/dplay.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dlls/dplayx/dplay.c b/dlls/dplayx/dplay.c
index 8ce499cdefb..8f28a8a9837 100644
--- a/dlls/dplayx/dplay.c
+++ b/dlls/dplayx/dplay.c
@@ -2416,6 +2416,9 @@ static HRESULT WINAPI IDirectPlay4Impl_EnumSessions( IDirectPlay4 *iface, DPSESS
     if ( This->dp2->connectionInitialized == NO_PROVIDER )
         return DPERR_UNINITIALIZED;

+    if ( !sdesc )
+        return DPERR_INVALIDPARAM;
+
     /* Can't enumerate if the interface is already open */
     if ( This->dp2->bConnectionOpen )
         return DPERR_GENERIC;