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| author | Sowmini Varadhan <sowmini.varadhan@oracle.com> | 2017-07-06 08:15:06 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-07-21 07:42:19 +0200 |
| commit | 181dda46a314a34515c444e9fe7e71298cd24839 (patch) | |
| tree | e3785126194e62eec0fcbcc5c889b8235b6af9dd /net/rds | |
| parent | e6577f1ef3f80141333d83ba51b20295d794b8f8 (diff) | |
| download | linux-stable-181dda46a314a34515c444e9fe7e71298cd24839.tar.gz linux-stable-181dda46a314a34515c444e9fe7e71298cd24839.tar.bz2 linux-stable-181dda46a314a34515c444e9fe7e71298cd24839.zip | |
rds: tcp: use sock_create_lite() to create the accept socket
commit 0933a578cd55b02dc80f219dc8f2efb17ec61c9a upstream.
There are two problems with calling sock_create_kern() from
rds_tcp_accept_one()
1. it sets up a new_sock->sk that is wasteful, because this ->sk
is going to get replaced by inet_accept() in the subsequent ->accept()
2. The new_sock->sk is a leaked reference in sock_graft() which
expects to find a null parent->sk
Avoid these problems by calling sock_create_lite().
Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/rds')
| -rw-r--r-- | net/rds/tcp_listen.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/rds/tcp_listen.c b/net/rds/tcp_listen.c index e0b23fb5b8d5..525b624fec8b 100644 --- a/net/rds/tcp_listen.c +++ b/net/rds/tcp_listen.c @@ -129,7 +129,7 @@ int rds_tcp_accept_one(struct socket *sock) if (!sock) /* module unload or netns delete in progress */ return -ENETUNREACH; - ret = sock_create_kern(sock_net(sock->sk), sock->sk->sk_family, + ret = sock_create_lite(sock->sk->sk_family, sock->sk->sk_type, sock->sk->sk_protocol, &new_sock); if (ret) |