From: Ian Kent <raven@themaw.net>

Avoid NULL dereference on umount

diff --git a/conf/autofs/autofs_linux.c b/conf/autofs/autofs_linux.c
index 5e6a1712bdfaab0a6de0eb9ad3921740b6715af1..fd5dbc6dae2031e02d7767ff90a046732b2f283d 100644 (file)
--- a/conf/autofs/autofs_linux.c
+++ b/conf/autofs/autofs_linux.c
@@ -753,6 +753,10 @@ autofs_umount_succeeded(am_node *mp)
   autofs_fh_t *fh = mp->am_parent->am_autofs_fh;
   struct autofs_pending_umount **pp, *p;
 
+  /* Already gone? */
+  if (fh == NULL)
+       return 0;
+
   pp = &fh->pending_umounts;
   while (*pp && !STREQ((*pp)->name, mp->am_name))
     pp = &(*pp)->next;