From: Hannes Reinecke <hare@xxxxxxxx>
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@xxxxxxxx>
Signed-off-by: Saurav Kashyap <skashyap@xxxxxxxxxxx>
---
drivers/scsi/qedf/qedf_els.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/qedf/qedf_els.c b/drivers/scsi/qedf/qedf_els.c
index ac2bfc2..aad1f7c 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);
}
--
1.8.3.1
