diff options
| author | Doug Ledford <dledford@redhat.com> | 2016-08-24 12:14:19 -0400 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-08-24 16:51:16 -0400 |
| commit | 716b076ba4b273f5f85c97448c5110c6d21e73e6 (patch) | |
| tree | 9457baf9103fe21bfd7664fb616c0146adbb6518 /drivers | |
| parent | 3c199b4523c92dc5df027eeeffa657e2ccf453ab (diff) | |
| download | linux-716b076ba4b273f5f85c97448c5110c6d21e73e6.tar.bz2 | |
IB/srpt: Update sport->port_guid with each port refresh
If port_guid is set with the default subnet_prefix, then we get a change
event and run a port refresh, we don't update the port_guid. As a
result, attempts to create a target device that uses the new
subnet_prefix in the wwn will fail to find a match and be rejected by
the ib_srpt driver. This makes it impossible to configure a port if it
was initialized with a default subnet_prefix and later changed to any
non-default subnet-prefix. Updating the port refresh task to always
update the wwn based upon the current subnext_prefix solves this
problem.
Cc: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: nab@linux-iscsi.org
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/infiniband/ulp/srpt/ib_srpt.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c index dfa23b075a88..883bbfe08e0e 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.c +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c @@ -522,6 +522,11 @@ static int srpt_refresh_port(struct srpt_port *sport) if (ret) goto err_query_port; + snprintf(sport->port_guid, sizeof(sport->port_guid), + "0x%016llx%016llx", + be64_to_cpu(sport->gid.global.subnet_prefix), + be64_to_cpu(sport->gid.global.interface_id)); + if (!sport->mad_agent) { memset(®_req, 0, sizeof(reg_req)); reg_req.mgmt_class = IB_MGMT_CLASS_DEVICE_MGMT; @@ -2548,10 +2553,6 @@ static void srpt_add_one(struct ib_device *device) sdev->device->name, i); goto err_ring; } - snprintf(sport->port_guid, sizeof(sport->port_guid), - "0x%016llx%016llx", - be64_to_cpu(sport->gid.global.subnet_prefix), - be64_to_cpu(sport->gid.global.interface_id)); } spin_lock(&srpt_dev_lock); |