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Commit 649eb869 authored by Hannes Reinecke's avatar Hannes Reinecke Committed by Martin K. Petersen
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scsi: libfc: reset exchange manager during LOGO handling 



FC-LS mandates that we should invalidate all sequences before sending a
LOGO. And we should set the event to RPORT_EV_STOP when a LOGO request
has been received to signal that all exchanges are terminated.

Signed-off-by: default avatarHannes Reinecke <hare@suse.com>
Reviewed-by: default avatarChad Dupuis <chad.dupuis@qlogic.com>
Tested-by: default avatarChad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent d391966a

drivers/scsi/libfc/fc_rport.c

+13 −1
Original line number Diff line number Diff line
@@ -457,6 +457,9 @@ static void fc_rport_enter_delete(struct fc_rport_priv *rdata, 
 */

static int fc_rport_logoff(struct fc_rport_priv *rdata)

{

	struct fc_lport *lport = rdata->local_port;

	u32 port_id = rdata->ids.port_id;



	mutex_lock(&rdata->rp_mutex);



	FC_RPORT_DBG(rdata, "Remove port\n");
@@ -466,6 +469,15 @@ static int fc_rport_logoff(struct fc_rport_priv *rdata) 
		FC_RPORT_DBG(rdata, "Port in Delete state, not removing\n");

		goto out;

	}

	/*

	 * FC-LS states:

	 * To explicitly Logout, the initiating Nx_Port shall terminate

	 * other open Sequences that it initiated with the destination

	 * Nx_Port prior to performing Logout.

	 */

	lport->tt.exch_mgr_reset(lport, 0, port_id);

	lport->tt.exch_mgr_reset(lport, port_id, 0);



	fc_rport_enter_logo(rdata);



	/*
@@ -1923,7 +1935,7 @@ static void fc_rport_recv_logo_req(struct fc_lport *lport, struct fc_frame *fp) 
		FC_RPORT_DBG(rdata, "Received LOGO request while in state %s\n",

			     fc_rport_state(rdata));



		fc_rport_enter_delete(rdata, RPORT_EV_LOGO);

		fc_rport_enter_delete(rdata, RPORT_EV_STOP);

		mutex_unlock(&rdata->rp_mutex);

		kref_put(&rdata->kref, rdata->local_port->tt.rport_destroy);

	} else