diff options
| author | Denis V. Lunev <den@openvz.org> | 2008-02-29 14:17:56 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-02-29 14:17:56 -0500 |
| commit | 9dfbec1fb2bedff6b118504055cd9f0485edba45 (patch) | |
| tree | 1aea75182391bb8fc8d46e268897ae683ef49056 /net/netlink | |
| parent | 79c911595390c8fdc8d8a487ac1951d854b1cd09 (diff) | |
[NETLINK]: No need for a separate __netlink_release call.
Merge it to netlink_kernel_release.
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/netlink')
| -rw-r--r-- | net/netlink/af_netlink.c | 30 |
1 files changed, 12 insertions, 18 deletions
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index 1ab0da2632e1..e6b636d53633 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c | |||
| @@ -1344,22 +1344,6 @@ static void netlink_data_ready(struct sock *sk, int len) | |||
| 1344 | * queueing. | 1344 | * queueing. |
| 1345 | */ | 1345 | */ |
| 1346 | 1346 | ||
| 1347 | static void __netlink_release(struct sock *sk) | ||
| 1348 | { | ||
| 1349 | /* | ||
| 1350 | * Last sock_put should drop referrence to sk->sk_net. It has already | ||
| 1351 | * been dropped in netlink_kernel_create. Taking referrence to stopping | ||
| 1352 | * namespace is not an option. | ||
| 1353 | * Take referrence to a socket to remove it from netlink lookup table | ||
| 1354 | * _alive_ and after that destroy it in the context of init_net. | ||
| 1355 | */ | ||
| 1356 | |||
| 1357 | sock_hold(sk); | ||
| 1358 | sock_release(sk->sk_socket); | ||
| 1359 | sk->sk_net = get_net(&init_net); | ||
| 1360 | sock_put(sk); | ||
| 1361 | } | ||
| 1362 | |||
| 1363 | struct sock * | 1347 | struct sock * |
| 1364 | netlink_kernel_create(struct net *net, int unit, unsigned int groups, | 1348 | netlink_kernel_create(struct net *net, int unit, unsigned int groups, |
| 1365 | void (*input)(struct sk_buff *skb), | 1349 | void (*input)(struct sk_buff *skb), |
| @@ -1424,7 +1408,7 @@ netlink_kernel_create(struct net *net, int unit, unsigned int groups, | |||
| 1424 | 1408 | ||
| 1425 | out_sock_release: | 1409 | out_sock_release: |
| 1426 | kfree(listeners); | 1410 | kfree(listeners); |
| 1427 | __netlink_release(sk); | 1411 | netlink_kernel_release(sk); |
| 1428 | return NULL; | 1412 | return NULL; |
| 1429 | 1413 | ||
| 1430 | out_sock_release_nosk: | 1414 | out_sock_release_nosk: |
| @@ -1437,10 +1421,20 @@ EXPORT_SYMBOL(netlink_kernel_create); | |||
| 1437 | void | 1421 | void |
| 1438 | netlink_kernel_release(struct sock *sk) | 1422 | netlink_kernel_release(struct sock *sk) |
| 1439 | { | 1423 | { |
| 1424 | /* | ||
| 1425 | * Last sock_put should drop referrence to sk->sk_net. It has already | ||
| 1426 | * been dropped in netlink_kernel_create. Taking referrence to stopping | ||
| 1427 | * namespace is not an option. | ||
| 1428 | * Take referrence to a socket to remove it from netlink lookup table | ||
| 1429 | * _alive_ and after that destroy it in the context of init_net. | ||
| 1430 | */ | ||
| 1440 | if (sk == NULL || sk->sk_socket == NULL) | 1431 | if (sk == NULL || sk->sk_socket == NULL) |
| 1441 | return; | 1432 | return; |
| 1442 | 1433 | ||
| 1443 | __netlink_release(sk); | 1434 | sock_hold(sk); |
| 1435 | sock_release(sk->sk_socket); | ||
| 1436 | sk->sk_net = get_net(&init_net); | ||
| 1437 | sock_put(sk); | ||
| 1444 | } | 1438 | } |
| 1445 | EXPORT_SYMBOL(netlink_kernel_release); | 1439 | EXPORT_SYMBOL(netlink_kernel_release); |
| 1446 | 1440 | ||
