diff options
| author | Denis V. Lunev | 2008-02-29 20:18:32 +0100 |
|---|---|---|
| committer | David S. Miller | 2008-02-29 20:18:32 +0100 |
| commit | edf0208702007ec1f6a36756fdd005f771a4cf17 (patch) | |
| tree | f323141ddde44db532d984ea7bf769a05220aa0c /include/net/sock.h | |
| parent | [NETLINK]: No need for a separate __netlink_release call. (diff) | |
| download | kernel-qcow2-linux-edf0208702007ec1f6a36756fdd005f771a4cf17.tar.gz kernel-qcow2-linux-edf0208702007ec1f6a36756fdd005f771a4cf17.tar.xz kernel-qcow2-linux-edf0208702007ec1f6a36756fdd005f771a4cf17.zip | |
[NET]: Make netlink_kernel_release publically available as sk_release_kernel.
This staff will be needed for non-netlink kernel sockets, which should
also not pin a namespace like tcp_socket and icmp_socket.
Signed-off-by: Denis V. Lunev <den@openvz.org>
Acked-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/sock.h')
| -rw-r--r-- | include/net/sock.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/net/sock.h b/include/net/sock.h index fd9876087651..39112e75411c 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -850,6 +850,7 @@ extern struct sock *sk_alloc(struct net *net, int family, gfp_t priority, struct proto *prot); extern void sk_free(struct sock *sk); +extern void sk_release_kernel(struct sock *sk); extern struct sock *sk_clone(const struct sock *sk, const gfp_t priority); @@ -1333,6 +1334,18 @@ static inline void sk_eat_skb(struct sock *sk, struct sk_buff *skb, int copied_e } #endif +/* + * Kernel sockets, f.e. rtnl or icmp_socket, are a part of a namespace. + * They should not hold a referrence to a namespace in order to allow + * to stop it. + * Sockets after sk_change_net should be released using sk_release_kernel + */ +static inline void sk_change_net(struct sock *sk, struct net *net) +{ + put_net(sk->sk_net); + sk->sk_net = net; +} + extern void sock_enable_timestamp(struct sock *sk); extern int sock_get_timestamp(struct sock *, struct timeval __user *); extern int sock_get_timestampns(struct sock *, struct timespec __user *); |