scsi: qla2xxx: Fix stalled relogin

This patch sets and clears FCF_ASYNC_{SENT|ACTIVE} flags to prevent
stalling of relogin attempt. Once flag are correctly set/cleared, relogin
timer can retry relogin attempt for driver to continue login.

Fixes: fa83e65 ("scsi: qla2xxx: ensure async flags are reset correctly")
Cc: stable@vger.kernel.org #4.17
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

Orabug: 29411891
Signed-off-by: John Donnelly <John.P.Donnelly@oracle.com>
Reviewed-by: Allen Pais <allen.pais@oracle.com>

Author: Quinn Tran

drivers/scsi/qla2xxx/qla_init.c

@@ -437,7 +437,7 @@ qla2x00_async_adisc_sp_done(void *ptr, int res)
 	    "Async done-%s res %x %8phC\n",
 	    sp->name, res, sp->fcport->port_name);
 
-	sp->fcport->flags &= ~FCF_ASYNC_SENT;
+	sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
 
 	memset(&ea, 0, sizeof(ea));
 	ea.event = FCME_ADISC_DONE;

drivers/scsi/qla2xxx/qla_iocb.c

@@ -2828,6 +2828,7 @@ qla24xx_els_dcmd2_iocb(scsi_qla_host_t *vha, int els_opcode,
 	ql_dbg(ql_dbg_io, vha, 0x3073,
 	    "Enter: PLOGI portid=%06x\n", fcport->d_id.b24);
 
+	fcport->flags |= FCF_ASYNC_SENT;
 	sp->type = SRB_ELS_DCMD;
 	sp->name = "ELS_DCMD";
 	sp->fcport = fcport;