1 files changed, 6 insertions, 0 deletions

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index c7150af631b5..62e53a0de4a3 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -1461,7 +1461,9 @@ static void sysctl_set_parent(struct ctl_table *parent, struct ctl_table *table)
 
 static __init int sysctl_init(void)
 {
+        int err;
         sysctl_set_parent(NULL, root_table);
+        err = sysctl_check_table(root_table);
         return 0;
 }
 
@@ -1546,6 +1548,10 @@ struct ctl_table_header *register_sysctl_table(struct ctl_table * table)
         tmp->used = 0;
         tmp->unregistering = NULL;
         sysctl_set_parent(NULL, table);
+        if (sysctl_check_table(tmp->ctl_table)) {
+                kfree(tmp);
+                return NULL;
+        }
         spin_lock(&sysctl_lock);
         list_add_tail(&tmp->ctl_entry, &root_table_header.ctl_entry);
         spin_unlock(&sysctl_lock);