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| author | Ursula Braun <ubraun@linux.ibm.com> | 2019-10-09 10:07:46 +0200 |
|---|---|---|
| committer | Jakub Kicinski <jakub.kicinski@netronome.com> | 2019-10-10 04:45:44 +0200 |
| commit | c3d9494e68c4a5d23227ede822fda9bd68bef8e3 (patch) | |
| tree | 640a13f101e2cbd834dcb1bccf9529b374436ff9 /net/smc/smc_ism.c | |
| parent | net/smc: increase device refcount for added link group (diff) | |
| download | linux-c3d9494e68c4a5d23227ede822fda9bd68bef8e3.tar.xz linux-c3d9494e68c4a5d23227ede822fda9bd68bef8e3.zip | |
net/smc: no new connections on disappearing devices
Add a "going_away" indication to ISM devices and IB ports and
avoid creation of new connections on such disappearing devices.
And do not handle ISM events if ISM device is disappearing.
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Diffstat (limited to 'net/smc/smc_ism.c')
| -rw-r--r-- | net/smc/smc_ism.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/smc/smc_ism.c b/net/smc/smc_ism.c index 34dc619655e8..ee7340898cb4 100644 --- a/net/smc/smc_ism.c +++ b/net/smc/smc_ism.c @@ -315,6 +315,7 @@ void smcd_unregister_dev(struct smcd_dev *smcd) spin_lock(&smcd_dev_list.lock); list_del(&smcd->list); spin_unlock(&smcd_dev_list.lock); + smcd->going_away = 1; flush_workqueue(smcd->event_wq); destroy_workqueue(smcd->event_wq); smc_smcd_terminate(smcd, 0, VLAN_VID_MASK); @@ -344,6 +345,8 @@ void smcd_handle_event(struct smcd_dev *smcd, struct smcd_event *event) { struct smc_ism_event_work *wrk; + if (smcd->going_away) + return; /* copy event to event work queue, and let it be handled there */ wrk = kmalloc(sizeof(*wrk), GFP_ATOMIC); if (!wrk) |