@@ -2721,4 +2721,21 @@ void sock_set_sndtimeo(struct sock *sk, s64 secs);
int sock_bind_add(struct sock *sk, struct sockaddr *addr, int addr_len);
+/* Assume that the socket is already connected */
+static inline struct net_device *get_netdev_for_sock(struct sock *sk, bool hold)
+{
+ struct dst_entry *dst = sk_dst_get(sk);
+ struct net_device *netdev = NULL;
+
+ if (likely(dst)) {
+ netdev = dst->dev;
+ if (hold)
+ dev_hold(netdev);
+ }
+
+ dst_release(dst);
+
+ return netdev;
+}
+
#endif /* _SOCK_H */
@@ -106,22 +106,6 @@ static void tls_device_queue_ctx_destruction(struct tls_context *ctx)
spin_unlock_irqrestore(&tls_device_lock, flags);
}
-/* We assume that the socket is already connected */
-static struct net_device *get_netdev_for_sock(struct sock *sk)
-{
- struct dst_entry *dst = sk_dst_get(sk);
- struct net_device *netdev = NULL;
-
- if (likely(dst)) {
- netdev = dst->dev;
- dev_hold(netdev);
- }
-
- dst_release(dst);
-
- return netdev;
-}
-
static void destroy_record(struct tls_record_info *record)
{
int i;
@@ -1106,7 +1090,7 @@ int tls_set_device_offload(struct sock *sk, struct tls_context *ctx)
if (skb)
TCP_SKB_CB(skb)->eor = 1;
- netdev = get_netdev_for_sock(sk);
+ netdev = get_netdev_for_sock(sk, true);
if (!netdev) {
pr_err_ratelimited("%s: netdev not found\n", __func__);
rc = -EINVAL;
@@ -1182,7 +1166,7 @@ int tls_set_device_offload_rx(struct sock *sk, struct tls_context *ctx)
if (ctx->crypto_recv.info.version != TLS_1_2_VERSION)
return -EOPNOTSUPP;
- netdev = get_netdev_for_sock(sk);
+ netdev = get_netdev_for_sock(sk, true);
if (!netdev) {
pr_err_ratelimited("%s: netdev not found\n", __func__);
return -EINVAL;