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authorGiridhar Malavali <gmalavali@marvell.com>2019-04-02 14:24:32 -0700
committerMartin K. Petersen <martin.petersen@oracle.com>2019-04-03 23:45:58 -0400
commitb2d1453a45aa8477b1d33ee94a7694146bb8b340 (patch)
tree2acf196e28b2601b333ebeb4aef903482469b1cc
parente39a6645d9ec3a9be6470adae1df0f924d1f0737 (diff)
scsi: qla2xxx: Fix driver unload when FC-NVMe LUNs are connected
This patch allows driver to unload using "modprobe -r" when FC-NVMe LUNs are connected. Signed-off-by: Giridhar Malavali <gmalavali@marvell.com> Signed-off-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
-rw-r--r--drivers/scsi/qla2xxx/qla_nvme.c29
-rw-r--r--drivers/scsi/qla2xxx/qla_os.c6
2 files changed, 27 insertions, 8 deletions
diff --git a/drivers/scsi/qla2xxx/qla_nvme.c b/drivers/scsi/qla2xxx/qla_nvme.c
index 46c14bfecd4e..1ca63e80a7fe 100644
--- a/drivers/scsi/qla2xxx/qla_nvme.c
+++ b/drivers/scsi/qla2xxx/qla_nvme.c
@@ -164,12 +164,13 @@ static void qla_nvme_sp_done(void *ptr, int res)
if (!atomic_dec_and_test(&sp->ref_count))
return;
- if (res == QLA_SUCCESS)
- fd->status = 0;
- else
- fd->status = NVME_SC_INTERNAL;
-
- fd->rcv_rsplen = nvme->u.nvme.rsp_pyld_len;
+ if (res == QLA_SUCCESS) {
+ fd->rcv_rsplen = nvme->u.nvme.rsp_pyld_len;
+ } else {
+ fd->rcv_rsplen = 0;
+ fd->transferred_length = 0;
+ }
+ fd->status = 0;
fd->done(fd);
qla2xxx_rel_qpair_sp(sp->qpair, sp);
@@ -193,6 +194,22 @@ static void qla_nvme_abort_work(struct work_struct *work)
if (!ha->flags.fw_started && (fcport && fcport->deleted))
return;
+ if (ha->flags.host_shutting_down) {
+ ql_log(ql_log_info, sp->fcport->vha, 0xffff,
+ "%s Calling done on sp: %p, type: 0x%x, sp->ref_count: 0x%x\n",
+ __func__, sp, sp->type, atomic_read(&sp->ref_count));
+ sp->done(sp, 0);
+ return;
+ }
+
+ if (atomic_read(&sp->ref_count) == 0) {
+ WARN_ON(1);
+ ql_log(ql_log_info, fcport->vha, 0xffff,
+ "%s: command alredy aborted on sp: %p\n",
+ __func__, sp);
+ return;
+ }
+
rval = ha->isp_ops->abort_command(sp);
ql_dbg(ql_dbg_io, fcport->vha, 0x212b,
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 60f06a26899a..d49208c16928 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -6742,8 +6742,10 @@ qla2x00_timer(struct timer_list *t)
* FC-NVME
* see if the active AEN count has changed from what was last reported.
*/
- if (!vha->vp_idx && (atomic_read(&ha->nvme_active_aen_cnt) !=
- ha->nvme_last_rptd_aen) && ha->zio_mode == QLA_ZIO_MODE_6) {
+ if (!vha->vp_idx &&
+ (atomic_read(&ha->nvme_active_aen_cnt) != ha->nvme_last_rptd_aen) &&
+ ha->zio_mode == QLA_ZIO_MODE_6 &&
+ !ha->flags.host_shutting_down) {
ql_log(ql_log_info, vha, 0x3002,
"nvme: Sched: Set ZIO exchange threshold to %d.\n",
ha->nvme_last_rptd_aen);