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Commit 96a33998 authored by Ivan Skytte Jorgensen's avatar Ivan Skytte Jorgensen Committed by Sridhar Samudrala
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[SCTP] Allow SCTP_MAXSEG to revert to default frag point with a '0' value. 



Signed-off-by: default avatarIvan Skytte Jorgensen <isj-sctp@i1.dk>
Signed-off-by: default avatarSridhar Samudrala <sri@us.ibm.com>
parent a1ab3582

net/sctp/socket.c

+5 −7
Original line number Diff line number Diff line
@@ -2306,17 +2306,15 @@ static int sctp_setsockopt_maxseg(struct sock *sk, char __user *optval, int optl 
		return -EINVAL;

	if (get_user(val, (int __user *)optval))

		return -EFAULT;

	if ((val < 8) || (val > SCTP_MAX_CHUNK_LEN))

	if ((val != 0) && ((val < 8) || (val > SCTP_MAX_CHUNK_LEN)))

		return -EINVAL;

	sp->user_frag = val;



	if (val) {

	/* Update the frag_point of the existing associations. */

	list_for_each(pos, &(sp->ep->asocs)) {

		asoc = list_entry(pos, struct sctp_association, asocs);

		asoc->frag_point = sctp_frag_point(sp, asoc->pmtu); 

	}

	}



	return 0;

}