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-rw-r--r--net/core/datagram.c2
-rw-r--r--net/core/dev.c7
-rw-r--r--net/core/rtnetlink.c26
-rw-r--r--net/core/skmsg.c7
-rw-r--r--net/core/sock.c23
5 files changed, 35 insertions, 30 deletions
diff --git a/net/core/datagram.c b/net/core/datagram.c
index 103d46fa0eeb..a8b625abe242 100644
--- a/net/core/datagram.c
+++ b/net/core/datagram.c
@@ -751,7 +751,7 @@ size_t memcpy_to_iter_csum(void *iter_to, size_t progress,
size_t len, void *from, void *priv2)
{
__wsum *csum = priv2;
- __wsum next = csum_partial_copy_nocheck(from, iter_to, len);
+ __wsum next = csum_partial_copy_nocheck(from + progress, iter_to, len);
*csum = csum_block_add(*csum, next, progress);
return 0;
diff --git a/net/core/dev.c b/net/core/dev.c
index cb2dab0feee0..0230391c78f7 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -336,7 +336,7 @@ int netdev_name_node_alt_create(struct net_device *dev, const char *name)
return -ENOMEM;
netdev_name_node_add(net, name_node);
/* The node that holds dev->name acts as a head of per-device list. */
- list_add_tail(&name_node->list, &dev->name_node->list);
+ list_add_tail_rcu(&name_node->list, &dev->name_node->list);
return 0;
}
@@ -9078,7 +9078,7 @@ static void netdev_dpll_pin_assign(struct net_device *dev, struct dpll_pin *dpll
{
#if IS_ENABLED(CONFIG_DPLL)
rtnl_lock();
- dev->dpll_pin = dpll_pin;
+ rcu_assign_pointer(dev->dpll_pin, dpll_pin);
rtnl_unlock();
#endif
}
@@ -11652,11 +11652,12 @@ static void __init net_dev_struct_check(void)
CACHELINE_ASSERT_GROUP_SIZE(struct net_device, net_device_read_tx, 160);
/* TXRX read-mostly hotpath */
+ CACHELINE_ASSERT_GROUP_MEMBER(struct net_device, net_device_read_txrx, lstats);
CACHELINE_ASSERT_GROUP_MEMBER(struct net_device, net_device_read_txrx, flags);
CACHELINE_ASSERT_GROUP_MEMBER(struct net_device, net_device_read_txrx, hard_header_len);
CACHELINE_ASSERT_GROUP_MEMBER(struct net_device, net_device_read_txrx, features);
CACHELINE_ASSERT_GROUP_MEMBER(struct net_device, net_device_read_txrx, ip6_ptr);
- CACHELINE_ASSERT_GROUP_SIZE(struct net_device, net_device_read_txrx, 30);
+ CACHELINE_ASSERT_GROUP_SIZE(struct net_device, net_device_read_txrx, 38);
/* RX read-mostly hotpath */
CACHELINE_ASSERT_GROUP_MEMBER(struct net_device, net_device_read_rx, ptype_specific);
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index f6f29eb03ec2..ae86f751efc3 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1020,14 +1020,17 @@ static size_t rtnl_xdp_size(void)
static size_t rtnl_prop_list_size(const struct net_device *dev)
{
struct netdev_name_node *name_node;
- size_t size;
+ unsigned int cnt = 0;
+
+ rcu_read_lock();
+ list_for_each_entry_rcu(name_node, &dev->name_node->list, list)
+ cnt++;
+ rcu_read_unlock();
- if (list_empty(&dev->name_node->list))
+ if (!cnt)
return 0;
- size = nla_total_size(0);
- list_for_each_entry(name_node, &dev->name_node->list, list)
- size += nla_total_size(ALTIFNAMSIZ);
- return size;
+
+ return nla_total_size(0) + cnt * nla_total_size(ALTIFNAMSIZ);
}
static size_t rtnl_proto_down_size(const struct net_device *dev)
@@ -5166,10 +5169,9 @@ static int rtnl_bridge_setlink(struct sk_buff *skb, struct nlmsghdr *nlh,
struct net *net = sock_net(skb->sk);
struct ifinfomsg *ifm;
struct net_device *dev;
- struct nlattr *br_spec, *attr = NULL;
+ struct nlattr *br_spec, *attr, *br_flags_attr = NULL;
int rem, err = -EOPNOTSUPP;
u16 flags = 0;
- bool have_flags = false;
if (nlmsg_len(nlh) < sizeof(*ifm))
return -EINVAL;
@@ -5187,11 +5189,11 @@ static int rtnl_bridge_setlink(struct sk_buff *skb, struct nlmsghdr *nlh,
br_spec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC);
if (br_spec) {
nla_for_each_nested(attr, br_spec, rem) {
- if (nla_type(attr) == IFLA_BRIDGE_FLAGS && !have_flags) {
+ if (nla_type(attr) == IFLA_BRIDGE_FLAGS && !br_flags_attr) {
if (nla_len(attr) < sizeof(flags))
return -EINVAL;
- have_flags = true;
+ br_flags_attr = attr;
flags = nla_get_u16(attr);
}
@@ -5235,8 +5237,8 @@ static int rtnl_bridge_setlink(struct sk_buff *skb, struct nlmsghdr *nlh,
}
}
- if (have_flags)
- memcpy(nla_data(attr), &flags, sizeof(flags));
+ if (br_flags_attr)
+ memcpy(nla_data(br_flags_attr), &flags, sizeof(flags));
out:
return err;
}
diff --git a/net/core/skmsg.c b/net/core/skmsg.c
index 93ecfceac1bc..4d75ef9d24bf 100644
--- a/net/core/skmsg.c
+++ b/net/core/skmsg.c
@@ -1226,8 +1226,11 @@ static void sk_psock_verdict_data_ready(struct sock *sk)
rcu_read_lock();
psock = sk_psock(sk);
- if (psock)
- psock->saved_data_ready(sk);
+ if (psock) {
+ read_lock_bh(&sk->sk_callback_lock);
+ sk_psock_data_ready(sk, psock);
+ read_unlock_bh(&sk->sk_callback_lock);
+ }
rcu_read_unlock();
}
}
diff --git a/net/core/sock.c b/net/core/sock.c
index 0a7f46c37f0c..5e78798456fd 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1188,6 +1188,17 @@ int sk_setsockopt(struct sock *sk, int level, int optname,
*/
WRITE_ONCE(sk->sk_txrehash, (u8)val);
return 0;
+ case SO_PEEK_OFF:
+ {
+ int (*set_peek_off)(struct sock *sk, int val);
+
+ set_peek_off = READ_ONCE(sock->ops)->set_peek_off;
+ if (set_peek_off)
+ ret = set_peek_off(sk, val);
+ else
+ ret = -EOPNOTSUPP;
+ return ret;
+ }
}
sockopt_lock_sock(sk);
@@ -1430,18 +1441,6 @@ set_sndbuf:
sock_valbool_flag(sk, SOCK_WIFI_STATUS, valbool);
break;
- case SO_PEEK_OFF:
- {
- int (*set_peek_off)(struct sock *sk, int val);
-
- set_peek_off = READ_ONCE(sock->ops)->set_peek_off;
- if (set_peek_off)
- ret = set_peek_off(sk, val);
- else
- ret = -EOPNOTSUPP;
- break;
- }
-
case SO_NOFCS:
sock_valbool_flag(sk, SOCK_NOFCS, valbool);
break;