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-rw-r--r--net/core/dev.c5
-rw-r--r--net/core/gso_test.c2
-rw-r--r--net/core/scm.c2
-rw-r--r--net/core/skbuff.c8
-rw-r--r--net/core/sock_diag.c10
5 files changed, 19 insertions, 8 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index add22ca0d..e3c06ccf2 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2262,7 +2262,7 @@ void dev_queue_xmit_nit(struct sk_buff *skb, struct net_device *dev)
rcu_read_lock();
again:
list_for_each_entry_rcu(ptype, ptype_list, list) {
- if (ptype->ignore_outgoing)
+ if (READ_ONCE(ptype->ignore_outgoing))
continue;
/* Never send packets back to the socket
@@ -6668,6 +6668,8 @@ static int napi_threaded_poll(void *data)
void *have;
while (!napi_thread_wait(napi)) {
+ unsigned long last_qs = jiffies;
+
for (;;) {
bool repoll = false;
@@ -6692,6 +6694,7 @@ static int napi_threaded_poll(void *data)
if (!repoll)
break;
+ rcu_softirq_qs_periodic(last_qs);
cond_resched();
}
}
diff --git a/net/core/gso_test.c b/net/core/gso_test.c
index 4c2e77bd1..358c44680 100644
--- a/net/core/gso_test.c
+++ b/net/core/gso_test.c
@@ -225,7 +225,7 @@ static void gso_test_func(struct kunit *test)
segs = skb_segment(skb, features);
if (IS_ERR(segs)) {
- KUNIT_FAIL(test, "segs error %lld", PTR_ERR(segs));
+ KUNIT_FAIL(test, "segs error %pe", segs);
goto free_gso_skb;
} else if (!segs) {
KUNIT_FAIL(test, "no segments");
diff --git a/net/core/scm.c b/net/core/scm.c
index 7dc47c17d..737917c7a 100644
--- a/net/core/scm.c
+++ b/net/core/scm.c
@@ -105,7 +105,7 @@ static int scm_fp_copy(struct cmsghdr *cmsg, struct scm_fp_list **fplp)
if (fd < 0 || !(file = fget_raw(fd)))
return -EBADF;
/* don't allow io_uring files */
- if (io_uring_get_socket(file)) {
+ if (io_is_uring_fops(file)) {
fput(file);
return -EINVAL;
}
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 94cc40a6f..78cb3304f 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -6677,6 +6677,14 @@ static struct skb_ext *skb_ext_maybe_cow(struct skb_ext *old,
xfrm_state_hold(sp->xvec[i]);
}
#endif
+#ifdef CONFIG_MCTP_FLOWS
+ if (old_active & (1 << SKB_EXT_MCTP)) {
+ struct mctp_flow *flow = skb_ext_get_ptr(old, SKB_EXT_MCTP);
+
+ if (flow->key)
+ refcount_inc(&flow->key->refs);
+ }
+#endif
__skb_ext_put(old);
return new;
}
diff --git a/net/core/sock_diag.c b/net/core/sock_diag.c
index b1e29e18d..c53b731f2 100644
--- a/net/core/sock_diag.c
+++ b/net/core/sock_diag.c
@@ -193,7 +193,7 @@ int sock_diag_register(const struct sock_diag_handler *hndl)
if (sock_diag_handlers[hndl->family])
err = -EBUSY;
else
- sock_diag_handlers[hndl->family] = hndl;
+ WRITE_ONCE(sock_diag_handlers[hndl->family], hndl);
mutex_unlock(&sock_diag_table_mutex);
return err;
@@ -209,7 +209,7 @@ void sock_diag_unregister(const struct sock_diag_handler *hnld)
mutex_lock(&sock_diag_table_mutex);
BUG_ON(sock_diag_handlers[family] != hnld);
- sock_diag_handlers[family] = NULL;
+ WRITE_ONCE(sock_diag_handlers[family], NULL);
mutex_unlock(&sock_diag_table_mutex);
}
EXPORT_SYMBOL_GPL(sock_diag_unregister);
@@ -227,7 +227,7 @@ static int __sock_diag_cmd(struct sk_buff *skb, struct nlmsghdr *nlh)
return -EINVAL;
req->sdiag_family = array_index_nospec(req->sdiag_family, AF_MAX);
- if (sock_diag_handlers[req->sdiag_family] == NULL)
+ if (READ_ONCE(sock_diag_handlers[req->sdiag_family]) == NULL)
sock_load_diag_module(req->sdiag_family, 0);
mutex_lock(&sock_diag_table_mutex);
@@ -286,12 +286,12 @@ static int sock_diag_bind(struct net *net, int group)
switch (group) {
case SKNLGRP_INET_TCP_DESTROY:
case SKNLGRP_INET_UDP_DESTROY:
- if (!sock_diag_handlers[AF_INET])
+ if (!READ_ONCE(sock_diag_handlers[AF_INET]))
sock_load_diag_module(AF_INET, 0);
break;
case SKNLGRP_INET6_TCP_DESTROY:
case SKNLGRP_INET6_UDP_DESTROY:
- if (!sock_diag_handlers[AF_INET6])
+ if (!READ_ONCE(sock_diag_handlers[AF_INET6]))
sock_load_diag_module(AF_INET6, 0);
break;
}