diff options
| author | Hannes Reinecke <hare@suse.com> | 2019-03-26 10:38:44 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2019-03-28 04:54:52 +0300 |
| commit | 6d1368e8f987dd4bb1be6506d5416cb90b4ecf7a (patch) | |
| tree | a25cc9c300b8ef1162cce297a4deffbfe3002482 /drivers/scsi/qedf/qedf_els.c | |
| parent | 4262d35c32c652344b6784cad51ec5a0e2e5258b (diff) | |
| download | linux-6d1368e8f987dd4bb1be6506d5416cb90b4ecf7a.tar.xz | |
scsi: qedf: fixup locking in qedf_restart_rport()
fc_rport_create() needs to be called with disc_mutex held. And we should
re-assign the 'rdata' pointer in case it got changed.
Signed-off-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Saurav Kashyap <skashyap@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qedf/qedf_els.c')
| -rw-r--r-- | drivers/scsi/qedf/qedf_els.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/scsi/qedf/qedf_els.c b/drivers/scsi/qedf/qedf_els.c index ac2bfc26bcdb..aad1f7c464fd 100644 --- a/drivers/scsi/qedf/qedf_els.c +++ b/drivers/scsi/qedf/qedf_els.c @@ -380,10 +380,16 @@ void qedf_restart_rport(struct qedf_rport *fcport) QEDF_ERR(&(fcport->qedf->dbg_ctx), "LOGO port_id=%x.\n", port_id); fc_rport_logoff(rdata); + mutex_lock(&lport->disc.disc_mutex); /* Recreate the rport and log back in */ rdata = fc_rport_create(lport, port_id); - if (rdata) + if (rdata) { + mutex_unlock(&lport->disc.disc_mutex); fc_rport_login(rdata); + fcport->rdata = rdata; + } else { + mutex_unlock(&lport->disc.disc_mutex); + } } clear_bit(QEDF_RPORT_IN_RESET, &fcport->flags); } |