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-rw-r--r--net/hsr/hsr_main.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/net/hsr/hsr_main.c b/net/hsr/hsr_main.c
index b099c3150..257b50124 100644
--- a/net/hsr/hsr_main.c
+++ b/net/hsr/hsr_main.c
@@ -148,14 +148,21 @@ static struct notifier_block hsr_nb = {
static int __init hsr_init(void)
{
- int res;
+ int err;
BUILD_BUG_ON(sizeof(struct hsr_tag) != HSR_HLEN);
- register_netdevice_notifier(&hsr_nb);
- res = hsr_netlink_init();
+ err = register_netdevice_notifier(&hsr_nb);
+ if (err)
+ return err;
+
+ err = hsr_netlink_init();
+ if (err) {
+ unregister_netdevice_notifier(&hsr_nb);
+ return err;
+ }
- return res;
+ return 0;
}
static void __exit hsr_exit(void)