* It was unnecessary to avoid duplicate iscsi_schedule_bh() calls since this
   function already protects against duplicate calls internally [Stefan]

Patches 1 & 2 are cleanups.

Patch 3 fixes cancellation of ioctls.  Felipe showed me a trace where an acb is
cancelled and then completes twice.  The second time around crashes QEMU.

Compile-tested only.

Felipe: Please let us know if this fixes the issue you are seeing.  Thanks!

Stefan Hajnoczi (3):
  block/iscsi: drop unused IscsiAIOCB->buf field
  block/iscsi: take iscsilun->mutex in iscsi_timed_check_events()
  block/iscsi: fix ioctl cancel use-after-free

 block/iscsi.c | 33 ++++++++++++++++++++++-----------
 1 file changed, 22 insertions(+), 11 deletions(-)


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