diff options
author | Denis V. Lunev <den@openvz.org> | 2008-02-29 19:18:32 (GMT) |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2008-02-29 19:18:32 (GMT) |
commit | edf0208702007ec1f6a36756fdd005f771a4cf17 (patch) | |
tree | f323141ddde44db532d984ea7bf769a05220aa0c /net/core/sock.c | |
parent | 9dfbec1fb2bedff6b118504055cd9f0485edba45 (diff) | |
download | linux-fsl-qoriq-edf0208702007ec1f6a36756fdd005f771a4cf17.tar.xz |
[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 'net/core/sock.c')
-rw-r--r-- | net/core/sock.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/net/core/sock.c b/net/core/sock.c index 09cb3a7..c71b645 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -987,6 +987,24 @@ void sk_free(struct sock *sk) sk_prot_free(sk->sk_prot_creator, sk); } +/* + * Last sock_put should drop referrence to sk->sk_net. It has already + * been dropped in sk_change_net. Taking referrence to stopping namespace + * is not an option. + * Take referrence to a socket to remove it from hash _alive_ and after that + * destroy it in the context of init_net. + */ +void sk_release_kernel(struct sock *sk) +{ + if (sk == NULL || sk->sk_socket == NULL) + return; + + sock_hold(sk); + sock_release(sk->sk_socket); + sk->sk_net = get_net(&init_net); + sock_put(sk); +} + struct sock *sk_clone(const struct sock *sk, const gfp_t priority) { struct sock *newsk; |