[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>
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index c66c161..97b556c 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -2306,16 +2306,14 @@
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;
