Added a sanity check for the current list node inside GfxAnimate::invoke(). This should fix the crash in LSL2 as described in patch #2987942, without adding additional lookups

svn-id: r48670

1 files changed, 5 insertions, 2 deletions

diff --git a/engines/sci/graphics/animate.cpp b/engines/sci/graphics/animate.cpp
index 67c41ee9ba..7550e855bf 100644
--- a/engines/sci/graphics/animate.cpp
+++ b/engines/sci/graphics/animate.cpp
@@ -99,8 +99,11 @@ bool GfxAnimate::invoke(List *list, int argc, reg_t *argv) {
 			// Lookup node again, since the nodetable it was in may have been reallocated
 			curNode = _s->_segMan->lookupNode(curAddress);
 		}
-		curAddress = curNode->succ;
-		curNode = _s->_segMan->lookupNode(curAddress);
+
+		if (curNode) {
+			curAddress = curNode->succ;
+			curNode = _s->_segMan->lookupNode(curAddress);
+		}
 	}
 	return true;
 }