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Commit 40edd7fd authored by Steve Wise's avatar Steve Wise Committed by Doug Ledford
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iw_cxgb4: handle draining an idle qp 



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: default avatarSteve Wise <swise@opengridcomputing.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent ad202348
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