===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/window-tree.c,v
retrieving revision 1.36
retrieving revision 1.37
diff -u -r1.36 -r1.37
--- src/usr.bin/tmux/window-tree.c	2019/04/17 14:37:48	1.36
+++ src/usr.bin/tmux/window-tree.c	2019/04/30 06:19:51	1.37
@@ -1,4 +1,4 @@
-/* $OpenBSD: window-tree.c,v 1.36 2019/04/17 14:37:48 nicm Exp $ */
+/* $OpenBSD: window-tree.c,v 1.37 2019/04/30 06:19:51 nicm Exp $ */
 
 /*
  * Copyright (c) 2017 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -785,7 +785,8 @@
 	struct session			*s;
 	struct winlink			*wl;
 	struct window_pane		*wp;
-	const char			*cmd;
+	char				*cmd;
+	int				 retval;
 
 	window_tree_pull_item(item, &s, &wl, &wp);
 
@@ -806,7 +807,9 @@
 		cmd = get_proc_name(wp->fd, wp->tty);
 		if (cmd == NULL || *cmd == '\0')
 			return (0);
-		return (strstr(cmd, ss) != NULL);
+		retval = (strstr(cmd, ss) != NULL);
+		free(cmd);
+		return retval;
 	}
 	return (0);
 }