linux-kernel - [PATCH 4.19 35/42] sctp: fix strchange

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Message-Id: <20181121183149.483112966@linuxfoundation.org>
Date:   Wed, 21 Nov 2018 20:06:11 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Jianwen Ji <jiji@...hat.com>,
        Xin Long <lucien.xin@...il.com>,
        "David S. Miller" <davem@...emloft.net>
Subject: [PATCH 4.19 35/42] sctp: fix strchange_flags name for Stream Change Event

4.19-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Xin Long <lucien.xin@...il.com>

[ Upstream commit fd82d61ba142f0b83463e47064bf5460aac57b6e ]

As defined in rfc6525#section-6.1.3, SCTP_STREAM_CHANGE_DENIED
and SCTP_STREAM_CHANGE_FAILED should be used instead of
SCTP_ASSOC_CHANGE_DENIED and SCTP_ASSOC_CHANGE_FAILED.

To keep the compatibility, fix it by adding two macros.

Fixes: b444153fb5a6 ("sctp: add support for generating add stream change event notification")
Reported-by: Jianwen Ji <jiji@...hat.com>
Signed-off-by: Xin Long <lucien.xin@...il.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 include/uapi/linux/sctp.h |    2 ++
 1 file changed, 2 insertions(+)

--- a/include/uapi/linux/sctp.h
+++ b/include/uapi/linux/sctp.h
@@ -568,6 +568,8 @@ struct sctp_assoc_reset_event {
 
 #define SCTP_ASSOC_CHANGE_DENIED	0x0004
 #define SCTP_ASSOC_CHANGE_FAILED	0x0008
+#define SCTP_STREAM_CHANGE_DENIED	SCTP_ASSOC_CHANGE_DENIED
+#define SCTP_STREAM_CHANGE_FAILED	SCTP_ASSOC_CHANGE_FAILED
 struct sctp_stream_change_event {
 	__u16 strchange_type;
 	__u16 strchange_flags;