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scsi: qla2xxx: Fix LUN discovery if loop id is not assigned yet by firmware

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commit ec322937a7 upstream.

This patch fixes LUN discovery when loop ID is not yet assigned by the
firmware during driver load/sg_reset operations. Driver will now search for
new loop id before retrying login.

Fixes: 48acad0990 ("scsi: qla2xxx: Fix N2N link re-connect")
Cc: stable@vger.kernel.org #4.19
Signed-off-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Himanshu Madhani 2019-02-15 14:37:12 -08:00 committed by Greg Kroah-Hartman
parent f4a9fd5652
commit d8ae662b40
1 changed files with 8 additions and 5 deletions
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13
drivers/scsi/qla2xxx/qla_init.c
View file

@ -643,11 +643,14 @@ static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha,
break;
case DSC_LS_PORT_UNAVAIL:
default:
if (fcport->loop_id != FC_NO_LOOP_ID)
qla2x00_clear_loop_id(fcport);
fcport->loop_id = loop_id;
fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
if (fcport->loop_id == FC_NO_LOOP_ID) {
qla2x00_find_new_loop_id(vha, fcport);
fcport->fw_login_state =
DSC_LS_PORT_UNAVAIL;
}
ql_dbg(ql_dbg_disc, vha, 0x20e5,
"%s %d %8phC\n", __func__, __LINE__,
fcport->port_name);
qla24xx_fcport_handle_login(vha, fcport);
break;
}