[PATCH v3 2/2] Move lockdep annotation to separate function for readability.

From: Daniel Yang
Date: Mon Oct 14 2024 - 03:31:51 EST


From: Daniel Yang <danielyangkang@xxxxxxxxx>

Moved lockdep annotation to separate function for readability.

Signed-off-by: Daniel Yang <danielyangkang@xxxxxxxxx>
Reported-by: syzbot+e953a8f3071f5c0a28fd@xxxxxxxxxxxxxxxxxxxxxxxxx
---
net/smc/smc_inet.c | 28 +++++++++++++++-------------
1 file changed, 15 insertions(+), 13 deletions(-)

diff --git a/net/smc/smc_inet.c b/net/smc/smc_inet.c
index 7ae49ffd2..b3eedc3b0 100644
--- a/net/smc/smc_inet.c
+++ b/net/smc/smc_inet.c
@@ -111,18 +111,7 @@ static struct inet_protosw smc_inet6_protosw = {
static struct lock_class_key smc_slock_keys[2];
static struct lock_class_key smc_keys[2];

-static int smc_inet_init_sock(struct sock *sk)
-{
- struct net *net = sock_net(sk);
- int rc;
-
- /* init common smc sock */
- smc_sk_init(net, sk, IPPROTO_SMC);
- /* create clcsock */
- rc = smc_create_clcsk(net, sk, sk->sk_family);
- if (rc)
- return rc;
-
+static inline void smc_inet_lockdep_annotate(struct sock *sk)
+{
switch (sk->sk_family) {
case AF_INET:
sock_lock_init_class_and_name(sk, "slock-AF_INET-SMC",
@@ -139,8 +128,21 @@ static int smc_inet_init_sock(struct sock *sk)
default:
WARN_ON_ONCE(1);
}
+}

- return 0;
+static int smc_inet_init_sock(struct sock *sk)
+{
+ struct net *net = sock_net(sk);
+ int rc;
+
+ /* init common smc sock */
+ smc_sk_init(net, sk, IPPROTO_SMC);
+ /* create clcsock */
+ rc = smc_create_clcsk(net, sk, sk->sk_family);
+ if (!rc)
+ smc_inet_lockdep_annotate(sk);
+
+ return rc;
}

int __init smc_inet_init(void)
--
2.39.2