netdev - [PATCH] Correct mistake order of checking in if statement. Make sure t->dev->flags & IFF

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Message-ID: <Y2fLHktrN7+Budg/@gmx.fr>
Date:   Sun, 6 Nov 2022 10:56:30 -0400
From:   Jamie Gloudon <jamie.gloudon@....fr>
To:     netdev@...r.kernel.org
Subject: [PATCH] Correct mistake order of checking in if statement. Make sure
 t->dev->flags & IFF_UP is check first.

---
 net/ipv6/ip6_tunnel.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 2fb4c6ad7243..22c71f991bb7 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -162,7 +162,7 @@ ip6_tnl_lookup(struct net *net, int link,
 		return cand;

 	t = rcu_dereference(ip6n->collect_md_tun);
-	if (t && t->dev->flags & IFF_UP)
+	if (t && (t->dev->flags & IFF_UP))
 		return t;

 	t = rcu_dereference(ip6n->tnls_wc[0]);
-- 
2.28.0