[SCSI] libfc: change to make remote port callback optional
Since the rport list maintenance is now done in the rport module,
the callback (and ops) are usually not necessary.
Allow rdata->ops to be left NULL if nothing needs
to be done in an event callback.
Signed-off-by: Joe Eykholt <jeykholt@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c
index 29bb6fd..406049c 100644
--- a/drivers/scsi/libfc/fc_rport.c
+++ b/drivers/scsi/libfc/fc_rport.c
@@ -250,7 +250,7 @@
rp->r_a_tov = rdata->r_a_tov;
mutex_unlock(&rdata->rp_mutex);
- if (rport_ops->event_callback) {
+ if (rport_ops && rport_ops->event_callback) {
FC_RPORT_DBG(rdata, "callback ev %d\n", event);
rport_ops->event_callback(lport, rdata, event);
}
@@ -269,7 +269,7 @@
mutex_unlock(&lport->disc.disc_mutex);
}
- if (rport_ops->event_callback) {
+ if (rport_ops && rport_ops->event_callback) {
FC_RPORT_DBG(rdata, "callback ev %d\n", event);
rport_ops->event_callback(lport, rdata, event);
}