netdev - [PATCH] mac80211_hwsim: unregister genetlink family properly

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Message-Id: <1437537458-25931-1-git-send-email-cantona@cantona.net>
Date:	Wed, 22 Jul 2015 11:57:38 +0800
From:	Su Kang Yin <cantona@...tona.net>
To:	Kalle Valo <kvalo@...eaurora.org>, linux-wireless@...r.kernel.org,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	Su Kang Yin <cantona@...tona.net>
Subject: [PATCH] mac80211_hwsim: unregister genetlink family properly

During hwsim_init_netlink(), we should call genl_unregister_family()
if failed on netlink_register_notifier() since the genetlink is
already registered.

Signed-off-by: Su Kang Yin <cantona@...tona.net>
---
 drivers/net/wireless/mac80211_hwsim.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 99e873d..16d953e 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -3120,8 +3120,10 @@ static int hwsim_init_netlink(void)
 		goto failure;
 
 	rc = netlink_register_notifier(&hwsim_netlink_notifier);
-	if (rc)
+	if (rc) {
+		genl_unregister_family(&hwsim_genl_family);
 		goto failure;
+	}
 
 	return 0;
 
-- 
1.9.1

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