Allow invoking FilesystemNode::getChild on non-dir nodes, by returning an invalid node in that case

svn-id: r34429

1 files changed, 3 insertions, 3 deletions

diff --git a/common/fs.cpp b/common/fs.cpp
index d8f065b449..f7edf41711 100644
--- a/common/fs.cpp
+++ b/common/fs.cpp
@@ -62,10 +62,10 @@ bool FilesystemNode::exists() const {
 }
 
 FilesystemNode FilesystemNode::getChild(const Common::String &n) const {
-	if (_realNode == 0)
-		return *this;
+	// If this node is invalid or not a directory, return an invalid node
+	if (_realNode == 0 || !_realNode->isDirectory())
+		return FilesystemNode();
 
-	assert(_realNode->isDirectory());
 	AbstractFilesystemNode *node = _realNode->getChild(n);
 	return FilesystemNode(node);
 }