In tf_dequeue(), if we reach the end of the list without finding a non-cancelled element, "tmp" will be a pointer into the list head, so the tmp->canceled check is bogus. Use a flag instead. Submitted by: Tao Liu <Tao.Liu@isilon.com> Reviewed by: hselasky MFC after: 1 week Sponsored by: EMC / Isilon Storage Division Differential Revision: https://reviews.freebsd.org/D3244 |
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