From: Xin Long <lucien.xin@gmail.com>
To: network dev <netdev@vger.kernel.org>, linux-sctp@vger.kernel.org
Cc: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>,
Neil Horman <nhorman@tuxdriver.com>,
davem@davemloft.net
Subject: [PATCH net-next 08/24] sctp: use SCTP_FUTURE_ASSOC for SCTP_PR_SUPPORTED sockopt
Date: Mon, 28 Jan 2019 15:08:30 +0800 [thread overview]
Message-ID: <a6316f97dbdcfbde1104e2296df9d8b24958a7df.1548659198.git.lucien.xin@gmail.com> (raw)
In-Reply-To: <ad87082d72bcf6efccfca7b13adb3a73c72c02ee.1548659198.git.lucien.xin@gmail.com>
In-Reply-To: <cover.1548659198.git.lucien.xin@gmail.com>
Check with SCTP_FUTURE_ASSOC instead in
sctp_set/getsockopt_pr_supported, it's compatible with 0.
It also adjusts some code to keep a same check form as other functions.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
---
net/sctp/socket.c | 18 +++++++++++-------
1 file changed, 11 insertions(+), 7 deletions(-)
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 1d49b7d..9e2b153 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -3965,6 +3965,7 @@ static int sctp_setsockopt_pr_supported(struct sock *sk,
unsigned int optlen)
{
struct sctp_assoc_value params;
+ struct sctp_association *asoc;
if (optlen != sizeof(params))
return -EINVAL;
@@ -3972,6 +3973,11 @@ static int sctp_setsockopt_pr_supported(struct sock *sk,
if (copy_from_user(¶ms, optval, optlen))
return -EFAULT;
+ asoc = sctp_id2assoc(sk, params.assoc_id);
+ if (!asoc && params.assoc_id != SCTP_FUTURE_ASSOC &&
+ sctp_style(sk, UDP))
+ return -EINVAL;
+
sctp_sk(sk)->ep->prsctp_enable = !!params.assoc_value;
return 0;
@@ -7084,17 +7090,15 @@ static int sctp_getsockopt_pr_supported(struct sock *sk, int len,
goto out;
asoc = sctp_id2assoc(sk, params.assoc_id);
- if (asoc) {
- params.assoc_value = asoc->prsctp_enable;
- } else if (!params.assoc_id) {
- struct sctp_sock *sp = sctp_sk(sk);
-
- params.assoc_value = sp->ep->prsctp_enable;
- } else {
+ if (!asoc && params.assoc_id != SCTP_FUTURE_ASSOC &&
+ sctp_style(sk, UDP)) {
retval = -EINVAL;
goto out;
}
+ params.assoc_value = asoc ? asoc->prsctp_enable
+ : sctp_sk(sk)->ep->prsctp_enable;
+
if (put_user(len, optlen))
goto out;
--
2.1.0
next prev parent reply other threads:[~2019-01-28 7:09 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-28 7:08 [PATCH net-next 00/24] sctp: support SCTP_FUTURE/CURRENT/ALL_ASSOC Xin Long
2019-01-28 7:08 ` [PATCH net-next 01/24] sctp: introduce SCTP_FUTURE/CURRENT/ALL_ASSOC Xin Long
2019-01-28 7:08 ` [PATCH net-next 02/24] sctp: use SCTP_FUTURE_ASSOC for SCTP_PEER_ADDR_PARAMS sockopt Xin Long
2019-01-28 7:08 ` [PATCH net-next 03/24] sctp: use SCTP_FUTURE_ASSOC for SCTP_RTOINFO sockopt Xin Long
2019-01-28 7:08 ` [PATCH net-next 04/24] sctp: use SCTP_FUTURE_ASSOC for SCTP_ASSOCINFO sockopt Xin Long
2019-01-28 7:08 ` [PATCH net-next 05/24] sctp: use SCTP_FUTURE_ASSOC for SCTP_MAXSEG sockopt Xin Long
2019-01-28 7:08 ` [PATCH net-next 06/24] sctp: use SCTP_FUTURE_ASSOC for SCTP_LOCAL_AUTH_CHUNKS sockopt Xin Long
2019-01-28 7:08 ` [PATCH net-next 07/24] sctp: add SCTP_FUTURE_ASSOC for SCTP_PEER_ADDR_THLDS sockopt Xin Long
2019-01-28 7:08 ` Xin Long [this message]
2019-01-28 7:08 ` [PATCH net-next 09/24] sctp: use SCTP_FUTURE_ASSOC for SCTP_RECONFIG_SUPPORTED sockopt Xin Long
2019-01-28 7:08 ` [PATCH net-next 10/24] sctp: use SCTP_FUTURE_ASSOC for SCTP_INTERLEAVING_SUPPORTED sockopt Xin Long
2019-01-28 7:08 ` [PATCH net-next 11/24] sctp: add SCTP_CURRENT_ASSOC for SCTP_STREAM_SCHEDULER_VALUE sockopt Xin Long
2019-01-28 7:08 ` [PATCH net-next 12/24] sctp: use SCTP_FUTURE_ASSOC and add SCTP_CURRENT_ASSOC for SCTP_DELAYED_SACK sockopt Xin Long
2019-01-28 7:08 ` [PATCH net-next 13/24] sctp: use SCTP_FUTURE_ASSOC and add SCTP_CURRENT_ASSOC for SCTP_DEFAULT_SEND_PARAM sockopt Xin Long
2019-01-28 7:08 ` [PATCH net-next 14/24] sctp: use SCTP_FUTURE_ASSOC and add SCTP_CURRENT_ASSOC for SCTP_DEFAULT_SNDINFO sockopt Xin Long
2019-01-28 7:08 ` [PATCH net-next 15/24] sctp: use SCTP_FUTURE_ASSOC and add SCTP_CURRENT_ASSOC for SCTP_CONTEXT sockopt Xin Long
2019-01-28 7:08 ` [PATCH net-next 16/24] sctp: use SCTP_FUTURE_ASSOC and add SCTP_CURRENT_ASSOC for SCTP_MAX_BURST sockopt Xin Long
2019-01-28 7:08 ` [PATCH net-next 17/24] sctp: use SCTP_FUTURE_ASSOC and add SCTP_CURRENT_ASSOC for SCTP_AUTH_KEY sockopt Xin Long
2019-01-28 7:08 ` [PATCH net-next 18/24] sctp: use SCTP_FUTURE_ASSOC and add SCTP_CURRENT_ASSOC for SCTP_AUTH_ACTIVE_KEY sockopt Xin Long
2019-01-28 7:08 ` [PATCH net-next 19/24] sctp: use SCTP_FUTURE_ASSOC and add SCTP_CURRENT_ASSOC for SCTP_AUTH_DELETE_KEY sockopt Xin Long
2019-01-28 7:08 ` [PATCH net-next 20/24] sctp: use SCTP_FUTURE_ASSOC and add SCTP_CURRENT_ASSOC for SCTP_AUTH_DEACTIVATE_KEY sockopt Xin Long
2019-01-28 7:08 ` [PATCH net-next 21/24] sctp: use SCTP_FUTURE_ASSOC and add SCTP_CURRENT_ASSOC for SCTP_DEFAULT_PRINFO sockopt Xin Long
2019-01-28 7:08 ` [PATCH net-next 22/24] sctp: use SCTP_FUTURE_ASSOC and add SCTP_CURRENT_ASSOC for SCTP_ENABLE_STREAM_RESET sockopt Xin Long
2019-01-28 7:08 ` [PATCH net-next 23/24] sctp: use SCTP_FUTURE_ASSOC and add SCTP_CURRENT_ASSOC for SCTP_EVENT sockopt Xin Long
2019-01-28 7:08 ` [PATCH net-next 24/24] sctp: add SCTP_FUTURE_ASOC and SCTP_CURRENT_ASSOC for SCTP_STREAM_SCHEDULER sockopt Xin Long
2019-01-29 21:17 ` [PATCH net-next 02/24] sctp: use SCTP_FUTURE_ASSOC for SCTP_PEER_ADDR_PARAMS sockopt Neil Horman
2019-01-29 21:25 ` Neil Horman
2019-01-30 7:03 ` Xin Long
2019-01-30 7:37 ` Neil Horman
2019-01-28 9:44 ` [PATCH net-next 00/24] sctp: support SCTP_FUTURE/CURRENT/ALL_ASSOC Neil Horman
2019-01-28 18:41 ` David Miller
2019-01-29 8:03 ` Neil Horman
2019-01-30 7:46 ` Neil Horman
2019-01-30 8:44 ` David Miller
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