iw_cxgb4: block module unload until all ep resources are released

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Otherwise an endpoint can be still closing down causing a touch
after free crash.  Also WARN_ON if ulps have failed to destroy
various resources during device removal.

Fixes: ad61a4c7a9 ("iw_cxgb4: don't block in destroy_qp awaiting the last deref")
Reviewed-by: Sagi Grimberg <sagi@grimbrg.me>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>

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Steve Wise 2016-09-01 06:44:52 -07:00 • committed by Sagi Grimberg

parent 609e941a6b

commit 37eb816c08

3 changed files with 8 additions and 0 deletions

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2

drivers/infiniband/hw/cxgb4/cm.c

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5

drivers/infiniband/hw/cxgb4/device.c

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1

drivers/infiniband/hw/cxgb4/iw_cxgb4.h

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