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Jarek Poplawski authored
There is lack of removing a class from the event queue while changing from parent to leaf which can cause corruption of this rb tree. This patch fixes a bug introduced by my patch: "sch_htb: turn intermediate classes into leaves" commit: 160d5e10. Many thanks to Jan 'yanek' Bortl for finding a way to reproduce this rare bug and narrowing the test case, which made possible proper diagnosing. This patch is recommended for all kernels starting from 2.6.20. Reported-and-tested-by: Jan 'yanek' Bortl <yanek@ya.bofh.cz> Signed-off-by: Jarek Poplawski <jarkao2@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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