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Diffstat (limited to 'kernel/sysctl.c')
-rw-r--r--kernel/sysctl.c6
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);