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[SCTP] Allow SCTP_MAXSEG to revert to default frag point with a '0' value. 

Signed-off-by: Ivan Skytte Jorgensen <isj-sctp@i1.dk>
Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
This commit is contained in:
Ivan Skytte Jorgensen 2005-10-28 15:36:12 -07:00 committed by Sridhar Samudrala
parent a1ab358269
commit 96a339985d
1 changed files with 5 additions and 7 deletions
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12
net/sctp/socket.c
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@ -2306,16 +2306,14 @@ 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);
}
/* 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;