netdev - [PATCH v2 net-next 4/8] ip: fib_rules: Fetch net from fib_rule in fib[46]_rule

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Message-ID: <20250207072502.87775-5-kuniyu@amazon.com>
Date: Fri, 7 Feb 2025 16:24:58 +0900
From: Kuniyuki Iwashima <kuniyu@...zon.com>
To: "David S. Miller" <davem@...emloft.net>, Eric Dumazet
	<edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni
	<pabeni@...hat.com>, Simon Horman <horms@...nel.org>
CC: Ido Schimmel <idosch@...sch.org>, Kuniyuki Iwashima <kuniyu@...zon.com>,
	Kuniyuki Iwashima <kuni1840@...il.com>, <netdev@...r.kernel.org>
Subject: [PATCH v2 net-next 4/8] ip: fib_rules: Fetch net from fib_rule in fib[46]_rule_configure().

The following patch will not set skb->sk from VRF path.

Let's fetch net from fib_rule->fr_net instead of sock_net(skb->sk)
in fib[46]_rule_configure().

Signed-off-by: Kuniyuki Iwashima <kuniyu@...zon.com>
---
 net/ipv4/fib_rules.c  | 4 ++--
 net/ipv6/fib6_rules.c | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/net/ipv4/fib_rules.c b/net/ipv4/fib_rules.c
index 9517b8667e00..041c46787d94 100644
--- a/net/ipv4/fib_rules.c
+++ b/net/ipv4/fib_rules.c
@@ -245,9 +245,9 @@ static int fib4_rule_configure(struct fib_rule *rule, struct sk_buff *skb,
 			       struct nlattr **tb,
 			       struct netlink_ext_ack *extack)
 {
-	struct net *net = sock_net(skb->sk);
+	struct fib4_rule *rule4 = (struct fib4_rule *)rule;
+	struct net *net = rule->fr_net;
 	int err = -EINVAL;
-	struct fib4_rule *rule4 = (struct fib4_rule *) rule;
 
 	if (tb[FRA_FLOWLABEL] || tb[FRA_FLOWLABEL_MASK]) {
 		NL_SET_ERR_MSG(extack,
diff --git a/net/ipv6/fib6_rules.c b/net/ipv6/fib6_rules.c
index 67d39114d9a6..40af8fd6efa7 100644
--- a/net/ipv6/fib6_rules.c
+++ b/net/ipv6/fib6_rules.c
@@ -399,9 +399,9 @@ static int fib6_rule_configure(struct fib_rule *rule, struct sk_buff *skb,
 			       struct nlattr **tb,
 			       struct netlink_ext_ack *extack)
 {
+	struct fib6_rule *rule6 = (struct fib6_rule *)rule;
+	struct net *net = rule->fr_net;
 	int err = -EINVAL;
-	struct net *net = sock_net(skb->sk);
-	struct fib6_rule *rule6 = (struct fib6_rule *) rule;
 
 	if (!inet_validate_dscp(frh->tos)) {
 		NL_SET_ERR_MSG(extack,
-- 
2.39.5 (Apple Git-154)