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sctp: Allow bindx_del to accept 0 port

We allow 0 port when adding new addresses.  It only
makes sence to allow 0 port when removing addresses.
When removing the currently bound port will be used
when the port in the address is set to 0.

Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Vlad Yasevich 2011-04-18 19:14:47 +00:00 committed by David S. Miller
parent f246a7b7c5
commit ee9cbaca7d
1 changed files with 5 additions and 1 deletions

View File

@ -658,11 +658,15 @@ static int sctp_bindx_rem(struct sock *sk, struct sockaddr *addrs, int addrcnt)
goto err_bindx_rem;
}
if (sa_addr->v4.sin_port != htons(bp->port)) {
if (sa_addr->v4.sin_port &&
sa_addr->v4.sin_port != htons(bp->port)) {
retval = -EINVAL;
goto err_bindx_rem;
}
if (!sa_addr->v4.sin_port)
sa_addr->v4.sin_port = htons(bp->port);
/* FIXME - There is probably a need to check if sk->sk_saddr and
* sk->sk_rcv_addr are currently set to one of the addresses to
* be removed. This is something which needs to be looked into