Commit afec35e3 authored by Andrea Bittau's avatar Andrea Bittau Committed by David S. Miller

[DCCP] Ackvec: fix soft lockup in ackvec handling code

A soft lockup existed in the handling of ack vector records.
Specifically, when a tail of the list of ack vector records was
removed, it was possible to end up iterating infinitely on an element
of the tail.
Signed-off-by: default avatarAndrea Bittau <a.bittau@cs.ucl.ac.uk>
Signed-off-by: default avatarIan McDonald <ian.mcdonald@jandi.co.nz>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 289a1e99
......@@ -452,6 +452,7 @@ static void dccp_ackvec_check_rcv_ackvector(struct dccp_ackvec *av,
(unsigned long long)
avr->dccpavr_ack_ackno);
dccp_ackvec_throw_record(av, avr);
break;
}
/*
* If it wasn't received, continue scanning... we might
......
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