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-rw-r--r--net/mpls/af_mpls.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c
index 35b5f806fdda..dc5165d3eec4 100644
--- a/net/mpls/af_mpls.c
+++ b/net/mpls/af_mpls.c
@@ -1428,6 +1428,7 @@ static int mpls_dev_sysctl_register(struct net_device *dev,
free:
kfree(table);
out:
+ mdev->sysctl = NULL;
return -ENOBUFS;
}
@@ -1437,6 +1438,9 @@ static void mpls_dev_sysctl_unregister(struct net_device *dev,
struct net *net = dev_net(dev);
struct ctl_table *table;
+ if (!mdev->sysctl)
+ return;
+
table = mdev->sysctl->ctl_table_arg;
unregister_net_sysctl_table(mdev->sysctl);
kfree(table);