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IB/hfi1: Insure freeze_work work_struct is canceled on shutdown

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[ Upstream commit 6d517353c70bb0818b691ca003afdcb5ee5ea44e ]

By code inspection, the freeze_work is never canceled.

Fix by adding a cancel_work_sync in the shutdown path to insure it is no
longer running.

Fixes: 7724105686e7 ("IB/hfi1: add driver files")
Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Mike Marciniszyn 2019-05-24 11:44:45 -04:00 committed by Greg Kroah-Hartman
parent 89dd40e0d1
commit 04e9b055ae
1 changed files with 1 additions and 0 deletions
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drivers/infiniband/hw/hfi1/chip.c
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@ -9823,6 +9823,7 @@ void hfi1_quiet_serdes(struct hfi1_pportdata *ppd)
/* disable the port */
clear_rcvctrl(dd, RCV_CTRL_RCV_PORT_ENABLE_SMASK);
cancel_work_sync(&ppd->freeze_work);
}
static inline int init_cpu_counters(struct hfi1_devdata *dd)