diff mbox series

[5.5,026/151] net/smc: cancel event worker during device removal

Message ID 20200317103328.588704431@linuxfoundation.org
State Superseded
Headers show
Series None | expand

Commit Message

Greg KH March 17, 2020, 10:53 a.m. UTC 
From: Karsten Graul <kgraul@linux.ibm.com>

[ Upstream commit ece0d7bd74615773268475b6b64d6f1ebbd4b4c6 ]

During IB device removal, cancel the event worker before the device
structure is freed.

Fixes: a4cf0443c414 ("smc: introduce SMC as an IB-client")
Reported-by: syzbot+b297c6825752e7a07272@syzkaller.appspotmail.com
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Reviewed-by: Ursula Braun <ubraun@linux.ibm.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 net/smc/smc_ib.c |    1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

--- a/net/smc/smc_ib.c
+++ b/net/smc/smc_ib.c
@@ -580,6 +580,7 @@  static void smc_ib_remove_dev(struct ib_
 	smc_smcr_terminate_all(smcibdev);
 	smc_ib_cleanup_per_ibdev(smcibdev);
 	ib_unregister_event_handler(&smcibdev->event_handler);
+	cancel_work_sync(&smcibdev->port_event_work);
 	kfree(smcibdev);
 }