avoid use after free of fcode

found by smatch, fix from deraadt@ ok miod@

diff --git a/usr.bin/fgen/fgen.l b/usr.bin/fgen/fgen.l
index bce0267..994cf6d 100644 (file)
--- a/usr.bin/fgen/fgen.l
+++ b/usr.bin/fgen/fgen.l
@@ -1,5 +1,5 @@
 %{
-/*     $OpenBSD: fgen.l,v 1.16 2023/11/10 16:02:47 jasper Exp $        */
+/*     $OpenBSD: fgen.l,v 1.17 2024/02/14 02:40:02 jsg Exp $   */
 /*     $NetBSD: fgen.l,v 1.37 2016/03/08 20:13:44 christos Exp $       */
 /* FLEX input for FORTH input file scanner */
 /*  
@@ -1264,6 +1264,7 @@ tokenize(YY_BUFFER_STATE yinput)
                                                token->text);
                                free((void *)fcode->name);
                                free(fcode);
+                               break;
                        }
                        if (debug)
                                printf("Adding %s to dictionary\n", token->text);