Fix a warning and potential segfault in lash when BB_FEATURE_CLEAN_UP

is enabled


git-svn-id: svn://busybox.net/trunk/busybox@3331 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 2 insertions, 2 deletions

diff --git a/shell/lash.c b/shell/lash.c
index 0af669116..22e3c779e 100644
--- a/shell/lash.c
+++ b/shell/lash.c
@@ -1507,8 +1507,8 @@ static int busy_loop(FILE * input)
 #ifdef BB_FEATURE_CLEAN_UP
 void free_memory(void)
 {
-        if (cwd) {
-                free(cwd);
+        if (cwd && cwd!=unknown) {
+                free((char*)cwd);
         }
         if (local_pending_command)
                 free(local_pending_command);