commit | 6bafcac3238758203703bdd4abe9c1f38d259584 | [log] [tgz] |
---|---|---|
author | Eric Dumazet <eric.dumazet@gmail.com> | Mon Jan 02 05:47:57 2012 +0000 |
committer | David S. Miller <davem@davemloft.net> | Tue Jan 03 12:58:23 2012 -0500 |
tree | b5413ecd31f0fa3229b04bd415c870041fe30d95 | |
parent | 115e8e705e4be071b9e06ff72578e3b603f2ba65 [diff] |
sch_qfq: fix overflow in qfq_update_start() grp->slot_shift is between 22 and 41, so using 32bit wide variables is probably a typo. This could explain QFQ hangs Dave reported to me, after 2^23 packets ? (23 = 64 - 41) Reported-by: Dave Taht <dave.taht@gmail.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Stephen Hemminger <shemminger@vyatta.com> CC: Dave Taht <dave.taht@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>