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authorKaike Wan <kaike.wan@intel.com>2020-06-23 16:40:53 -0400
committerJason Gunthorpe <jgg@nvidia.com>2020-07-02 13:54:50 -0300
commit2315ec12ee8e8257bb335654c62e0cae71dc278d (patch)
tree25762f3ca6a9b27cc0799606dd10992bc682b0ba /drivers/infiniband
parent28b70cd9236563e1a88a6094673fef3c08db0d51 (diff)
IB/hfi1: Do not destroy link_wq when the device is shut down
The workqueue link_wq should only be destroyed when the hfi1 driver is unloaded, not when the device is shut down. Fixes: 71d47008ca1b ("IB/hfi1: Create workqueue for link events") Link: https://lore.kernel.org/r/20200623204053.107638.70315.stgit@awfm-01.aw.intel.com Cc: <stable@vger.kernel.org> Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Kaike Wan <kaike.wan@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/hw/hfi1/init.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/infiniband/hw/hfi1/init.c b/drivers/infiniband/hw/hfi1/init.c
index 16d6788075f3..cb7ad1288821 100644
--- a/drivers/infiniband/hw/hfi1/init.c
+++ b/drivers/infiniband/hw/hfi1/init.c
@@ -846,6 +846,10 @@ static void destroy_workqueues(struct hfi1_devdata *dd)
destroy_workqueue(ppd->hfi1_wq);
ppd->hfi1_wq = NULL;
}
+ if (ppd->link_wq) {
+ destroy_workqueue(ppd->link_wq);
+ ppd->link_wq = NULL;
+ }
}
}
@@ -1122,14 +1126,10 @@ static void shutdown_device(struct hfi1_devdata *dd)
* We can't count on interrupts since we are stopping.
*/
hfi1_quiet_serdes(ppd);
-
if (ppd->hfi1_wq)
flush_workqueue(ppd->hfi1_wq);
- if (ppd->link_wq) {
+ if (ppd->link_wq)
flush_workqueue(ppd->link_wq);
- destroy_workqueue(ppd->link_wq);
- ppd->link_wq = NULL;
- }
}
sdma_exit(dd);
}