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| author | Karsten Graul <kgraul@linux.ibm.com> | 2020-03-10 09:33:30 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-03-18 07:14:25 +0100 |
| commit | 2f3121f6e2a560860bce0531721b22258ce265f3 (patch) | |
| tree | fb8cafb638f4bfca0ee57d6ca7ceab0026df58ce | |
| parent | a22af440349cfa38243ef50c915e0a5a4de59702 (diff) | |
| download | linux-stable-2f3121f6e2a560860bce0531721b22258ce265f3.tar.gz linux-stable-2f3121f6e2a560860bce0531721b22258ce265f3.tar.bz2 linux-stable-2f3121f6e2a560860bce0531721b22258ce265f3.zip | |
net/smc: cancel event worker during device removal
commit ece0d7bd74615773268475b6b64d6f1ebbd4b4c6 upstream.
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>
| -rw-r--r-- | net/smc/smc_ib.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/smc/smc_ib.c b/net/smc/smc_ib.c index ca505ff5b5bb..c974d7d9a2bb 100644 --- a/net/smc/smc_ib.c +++ b/net/smc/smc_ib.c @@ -561,6 +561,7 @@ static void smc_ib_remove_dev(struct ib_device *ibdev, void *client_data) smc_pnet_remove_by_ibdev(smcibdev); smc_ib_cleanup_per_ibdev(smcibdev); ib_unregister_event_handler(&smcibdev->event_handler); + cancel_work_sync(&smcibdev->port_event_work); kfree(smcibdev); } |