| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.14 18/51] IB/hfi1: Insure freeze_work work_struct is canceled on shutdown | Date | Mon, 24 Jun 2019 17:56:36 +0800 |
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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> --- drivers/infiniband/hw/hfi1/chip.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c index db33ad985a12..69a79fdfa23e 100644 --- a/drivers/infiniband/hw/hfi1/chip.c +++ b/drivers/infiniband/hw/hfi1/chip.c @@ -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) -- 2.20.1
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