| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.19 162/280] scsi: qla2xxx: Fix LUN discovery if loop id is not assigned yet by firmware | Date | Fri, 22 Mar 2019 12:15:15 +0100 |
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4.19-stable review patch. If anyone has any objections, please let me know.
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From: Himanshu Madhani <hmadhani@marvell.com>
commit ec322937a7f152d68755dc8316523bf6f831b48f 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: 48acad099074 ("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>
--- drivers/scsi/qla2xxx/qla_init.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-)
--- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -643,11 +643,14 @@ static void qla24xx_handle_gnl_done_even 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; }
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