aboutsummaryrefslogtreecommitdiff
path: root/net/core
diff options
context:
space:
mode:
Diffstat (limited to 'net/core')
-rw-r--r--net/core/dev.c3
-rw-r--r--net/core/neighbour.c2
-rw-r--r--net/core/rtnetlink.c2
-rw-r--r--net/core/skmsg.c12
-rw-r--r--net/core/sock.c12
-rw-r--r--net/core/xdp.c3
6 files changed, 14 insertions, 20 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index 0f72ff5d34ba..af8c1ea040b9 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -6992,7 +6992,7 @@ static int napi_thread_wait(struct napi_struct *napi)
set_current_state(TASK_INTERRUPTIBLE);
- while (!kthread_should_stop() && !napi_disable_pending(napi)) {
+ while (!kthread_should_stop()) {
/* Testing SCHED_THREADED bit here to make sure the current
* kthread owns this napi and could poll on this napi.
* Testing SCHED bit is not enough because SCHED bit might be
@@ -7010,6 +7010,7 @@ static int napi_thread_wait(struct napi_struct *napi)
set_current_state(TASK_INTERRUPTIBLE);
}
__set_current_state(TASK_RUNNING);
+
return -1;
}
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index e2982b3970b8..8379719d1dce 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -1379,7 +1379,7 @@ static int __neigh_update(struct neighbour *neigh, const u8 *lladdr,
* we can reinject the packet there.
*/
n2 = NULL;
- if (dst) {
+ if (dst && dst->obsolete != DST_OBSOLETE_DEAD) {
n2 = dst_neigh_lookup_skb(dst, skb);
if (n2)
n1 = n2;
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 1bdcb33fb561..3485b16a7ff3 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -2863,7 +2863,7 @@ static int do_setlink(const struct sk_buff *skb,
BUG_ON(!(af_ops = rtnl_af_lookup(nla_type(af))));
- err = af_ops->set_link_af(dev, af);
+ err = af_ops->set_link_af(dev, af, extack);
if (err < 0) {
rcu_read_unlock();
goto errout;
diff --git a/net/core/skmsg.c b/net/core/skmsg.c
index 1261512d6807..5def3a2e85be 100644
--- a/net/core/skmsg.c
+++ b/net/core/skmsg.c
@@ -488,6 +488,7 @@ static int sk_psock_skb_ingress_self(struct sk_psock *psock, struct sk_buff *skb
if (unlikely(!msg))
return -EAGAIN;
sk_msg_init(msg);
+ skb_set_owner_r(skb, sk);
return sk_psock_skb_ingress_enqueue(skb, psock, sk, msg);
}
@@ -790,7 +791,6 @@ static void sk_psock_tls_verdict_apply(struct sk_buff *skb, struct sock *sk, int
{
switch (verdict) {
case __SK_REDIRECT:
- skb_set_owner_r(skb, sk);
sk_psock_skb_redirect(skb);
break;
case __SK_PASS:
@@ -808,10 +808,6 @@ int sk_psock_tls_strp_read(struct sk_psock *psock, struct sk_buff *skb)
rcu_read_lock();
prog = READ_ONCE(psock->progs.skb_verdict);
if (likely(prog)) {
- /* We skip full set_owner_r here because if we do a SK_PASS
- * or SK_DROP we can skip skb memory accounting and use the
- * TLS context.
- */
skb->sk = psock->sk;
tcp_skb_bpf_redirect_clear(skb);
ret = sk_psock_bpf_run(psock, prog, skb);
@@ -880,12 +876,13 @@ static void sk_psock_strp_read(struct strparser *strp, struct sk_buff *skb)
kfree_skb(skb);
goto out;
}
- skb_set_owner_r(skb, sk);
prog = READ_ONCE(psock->progs.skb_verdict);
if (likely(prog)) {
+ skb->sk = sk;
tcp_skb_bpf_redirect_clear(skb);
ret = sk_psock_bpf_run(psock, prog, skb);
ret = sk_psock_map_verd(ret, tcp_skb_bpf_redirect_fetch(skb));
+ skb->sk = NULL;
}
sk_psock_verdict_apply(psock, skb, ret);
out:
@@ -956,12 +953,13 @@ static int sk_psock_verdict_recv(read_descriptor_t *desc, struct sk_buff *skb,
kfree_skb(skb);
goto out;
}
- skb_set_owner_r(skb, sk);
prog = READ_ONCE(psock->progs.skb_verdict);
if (likely(prog)) {
+ skb->sk = sk;
tcp_skb_bpf_redirect_clear(skb);
ret = sk_psock_bpf_run(psock, prog, skb);
ret = sk_psock_map_verd(ret, tcp_skb_bpf_redirect_fetch(skb));
+ skb->sk = NULL;
}
sk_psock_verdict_apply(psock, skb, ret);
out:
diff --git a/net/core/sock.c b/net/core/sock.c
index cc31b601ae10..5ec90f99e102 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -2132,16 +2132,10 @@ void skb_orphan_partial(struct sk_buff *skb)
if (skb_is_tcp_pure_ack(skb))
return;
- if (can_skb_orphan_partial(skb)) {
- struct sock *sk = skb->sk;
-
- if (refcount_inc_not_zero(&sk->sk_refcnt)) {
- WARN_ON(refcount_sub_and_test(skb->truesize, &sk->sk_wmem_alloc));
- skb->destructor = sock_efree;
- }
- } else {
+ if (can_skb_orphan_partial(skb))
+ skb_set_owner_sk_safe(skb, skb->sk);
+ else
skb_orphan(skb);
- }
}
EXPORT_SYMBOL(skb_orphan_partial);
diff --git a/net/core/xdp.c b/net/core/xdp.c
index 05354976c1fc..858276e72c68 100644
--- a/net/core/xdp.c
+++ b/net/core/xdp.c
@@ -350,7 +350,8 @@ static void __xdp_return(void *data, struct xdp_mem_info *mem, bool napi_direct,
/* mem->id is valid, checked in xdp_rxq_info_reg_mem_model() */
xa = rhashtable_lookup(mem_id_ht, &mem->id, mem_id_rht_params);
page = virt_to_head_page(data);
- napi_direct &= !xdp_return_frame_no_direct();
+ if (napi_direct && xdp_return_frame_no_direct())
+ napi_direct = false;
page_pool_put_full_page(xa->page_pool, page, napi_direct);
rcu_read_unlock();
break;