diff options
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/netdev-genl.c | 2 | ||||
| -rw-r--r-- | net/core/netpoll.c | 2 | ||||
| -rw-r--r-- | net/core/skmsg.c | 4 |
3 files changed, 5 insertions, 3 deletions
diff --git a/net/core/netdev-genl.c b/net/core/netdev-genl.c index fa119ff68698..9527dd46e4dc 100644 --- a/net/core/netdev-genl.c +++ b/net/core/netdev-genl.c @@ -233,6 +233,7 @@ int netdev_nl_napi_get_doit(struct sk_buff *skb, struct genl_info *info) return -ENOMEM; rtnl_lock(); + rcu_read_lock(); napi = napi_by_id(napi_id); if (napi) { @@ -242,6 +243,7 @@ int netdev_nl_napi_get_doit(struct sk_buff *skb, struct genl_info *info) err = -ENOENT; } + rcu_read_unlock(); rtnl_unlock(); if (err) diff --git a/net/core/netpoll.c b/net/core/netpoll.c index 00e1e4a32902..2e459b9d88eb 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -634,7 +634,7 @@ int __netpoll_setup(struct netpoll *np, struct net_device *ndev) goto out; } - if (!ndev->npinfo) { + if (!rcu_access_pointer(ndev->npinfo)) { npinfo = kmalloc(sizeof(*npinfo), GFP_KERNEL); if (!npinfo) { err = -ENOMEM; diff --git a/net/core/skmsg.c b/net/core/skmsg.c index b1dcbd3be89e..e90fbab703b2 100644 --- a/net/core/skmsg.c +++ b/net/core/skmsg.c @@ -1117,9 +1117,9 @@ static void sk_psock_strp_data_ready(struct sock *sk) if (tls_sw_has_ctx_rx(sk)) { psock->saved_data_ready(sk); } else { - write_lock_bh(&sk->sk_callback_lock); + read_lock_bh(&sk->sk_callback_lock); strp_data_ready(&psock->strp); - write_unlock_bh(&sk->sk_callback_lock); + read_unlock_bh(&sk->sk_callback_lock); } } rcu_read_unlock(); |