netdev - [PATCH net] geneve: use ipv6_mod_enabled to check if ipv6 is disabled

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Date:   Mon, 25 Feb 2019 12:13:50 +0800
From:   Hangbin Liu <liuhangbin@...il.com>
To:     netdev@...r.kernel.org
Cc:     Stefano Brivio <sbrivio@...hat.com>,
        "David S . Miller" <davem@...emloft.net>,
        David Ahern <dsa@...ulusnetworks.com>,
        Hangbin Liu <liuhangbin@...il.com>
Subject: [PATCH net] geneve: use ipv6_mod_enabled to check if ipv6 is disabled

ipv6_mod_enabled() is more safe and gentle to check if ipv6 is disabled
at running time.

Fixes: c0a47e44c098 ("geneve: should not call rt6_lookup() when ipv6 was disabled")
Signed-off-by: Hangbin Liu <liuhangbin@...il.com>
---
 drivers/net/geneve.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c
index 3377ac66a347..42c5e43ece68 100644
--- a/drivers/net/geneve.c
+++ b/drivers/net/geneve.c
@@ -1514,7 +1514,7 @@ static void geneve_link_config(struct net_device *dev,
 	case AF_INET6: {
 		struct rt6_info *rt;
 
-		if (!__in6_dev_get(dev))
+		if (!ipv6_mod_enabled())
 			break;
 
 		rt = rt6_lookup(geneve->net, &info->key.u.ipv6.dst, NULL, 0,
-- 
2.19.2