netdev - [PATCH] fix sctp breakage

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Message-ID: <20090318031405.GX28946@ZenIV.linux.org.uk>
Date:	Wed, 18 Mar 2009 03:14:05 +0000
From:	Al Viro <viro@...IV.linux.org.uk>
To:	David Miller <davem@...emloft.net>
Cc:	Vlad Yasevich <vladislav.yasevich@...com>, netdev@...r.kernel.org
Subject: [PATCH] fix sctp breakage

broken by commit 5e739d1752aca4e8f3e794d431503bfca3162df4; AFAICS should
be -stable fodder as well...

Signed-off-by: Al Viro <viro@...iv.linux.org.uk>
---
diff --git a/net/sctp/endpointola.c b/net/sctp/endpointola.c
index 4c8d9f4..905fda5 100644
--- a/net/sctp/endpointola.c
+++ b/net/sctp/endpointola.c
@@ -111,7 +111,8 @@ static struct sctp_endpoint *sctp_endpoint_init(struct sctp_endpoint *ep,
 		if (sctp_addip_enable) {
 			auth_chunks->chunks[0] = SCTP_CID_ASCONF;
 			auth_chunks->chunks[1] = SCTP_CID_ASCONF_ACK;
-			auth_chunks->param_hdr.length += htons(2);
+			auth_chunks->param_hdr.length =
+					htons(sizeof(sctp_paramhdr_t) + 2);
 		}
 	}
 
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