[SCTP]: Fix err_hdr assignment in sctp_init_cause.

The subh->err_hdr should point to the error header, not the data.

Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index f0bbe36..167d888 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -124,8 +124,8 @@
 	padlen = len % 4;
 	err.length  = htons(len);
 	len += padlen;
-	sctp_addto_chunk(chunk, sizeof(sctp_errhdr_t), &err);
-	chunk->subh.err_hdr = sctp_addto_chunk(chunk, paylen, payload);
+	chunk->subh.err_hdr = sctp_addto_chunk(chunk, sizeof(sctp_errhdr_t), &err);
+	sctp_addto_chunk(chunk, paylen, payload);
 }
 
 /* 3.3.2 Initiation (INIT) (1)