From 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:44:59 +0000
Subject: [PATCH] gmac get mac form eeprom

---
 kernel/net/mpls/af_mpls.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/kernel/net/mpls/af_mpls.c b/kernel/net/mpls/af_mpls.c
index 7239814..1dcbdab 100644
--- a/kernel/net/mpls/af_mpls.c
+++ b/kernel/net/mpls/af_mpls.c
@@ -1427,6 +1427,7 @@
 free:
 	kfree(table);
 out:
+	mdev->sysctl = NULL;
 	return -ENOBUFS;
 }
 
@@ -1436,6 +1437,9 @@
 	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);

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