iw_cxgb4: handle draining an idle qp

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In c4iw_drain_sq/rq(), if the particular queue is already empty
then don't block.

Fixes: ce4af14d94aa ('iw_cxgb4: add queue drain functions')
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

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Steve Wise 2016-04-12 06:55:03 -07:00 • committed by Doug Ledford

parent ad202348fe

commit 40edd7fdfc

1 changed files with 16 additions and 2 deletions

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18

drivers/infiniband/hw/cxgb4/qp.c

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