tree 78e1fac9fe42700dd3d4a69aa219fdd0e0378f4d
parent 289a1e995e74734b5ec76ca8a5490058f4fecc24
author Andrea Bittau <a.bittau@cs.ucl.ac.uk> 1150084713 -0700
committer David S. Miller <davem@sunset.davemloft.net> 1150085283 -0700

[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: Andrea Bittau <a.bittau@cs.ucl.ac.uk>
Signed-off-by: Ian McDonald <ian.mcdonald@jandi.co.nz>
Signed-off-by: David S. Miller <davem@davemloft.net>