check malloc return value.

src/control/media_list.c

@@ -125,7 +125,6 @@ libvlc_media_list_new( libvlc_instance_t * p_inst,
     libvlc_media_list_t * p_mlist;
 
     p_mlist = malloc(sizeof(libvlc_media_list_t));
-
     if( !p_mlist )
         return NULL;
 

src/control/media_list_player.c

@@ -261,6 +261,9 @@ libvlc_media_list_player_new( libvlc_instance_t * p_instance,
     (void)p_e;
     libvlc_media_list_player_t * p_mlp;
     p_mlp = malloc(sizeof(libvlc_media_list_player_t));
+    if( !p_mlp )
+        return NULL;
+
     p_mlp->current_playing_item_path = NULL;
     p_mlp->p_mi = NULL;
     p_mlp->p_mlist = NULL;