Update Linux to v5.4.148
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.4.148.tar.gz
Change-Id: Ib3d26c5ba9b022e2e03533005c4fed4d7c30b61b
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c
index 3374f55..1f41537 100644
--- a/drivers/scsi/pm8001/pm8001_init.c
+++ b/drivers/scsi/pm8001/pm8001_init.c
@@ -86,6 +86,7 @@
.max_sectors = SCSI_DEFAULT_MAX_SECTORS,
.eh_device_reset_handler = sas_eh_device_reset_handler,
.eh_target_reset_handler = sas_eh_target_reset_handler,
+ .slave_alloc = sas_slave_alloc,
.target_destroy = sas_target_destroy,
.ioctl = sas_ioctl,
.shost_attrs = pm8001_host_attrs,
@@ -1040,7 +1041,8 @@
pm8001_init_sas_add(pm8001_ha);
/* phy setting support for motherboard controller */
- if (pm8001_configure_phy_settings(pm8001_ha))
+ rc = pm8001_configure_phy_settings(pm8001_ha);
+ if (rc)
goto err_out_shost;
pm8001_post_sas_ha_init(shost, chip);
diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c
index 7e48154..36f5bab 100644
--- a/drivers/scsi/pm8001/pm8001_sas.c
+++ b/drivers/scsi/pm8001/pm8001_sas.c
@@ -816,7 +816,7 @@
res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
if (res)
- return res;
+ goto ex_err;
ccb = &pm8001_ha->ccb_info[ccb_tag];
ccb->device = pm8001_dev;
ccb->ccb_tag = ccb_tag;
@@ -1202,8 +1202,8 @@
pm8001_dev = dev->lldd_dev;
pm8001_ha = pm8001_find_ha_by_dev(dev);
phy_id = pm8001_dev->attached_phy;
- rc = pm8001_find_tag(task, &tag);
- if (rc == 0) {
+ ret = pm8001_find_tag(task, &tag);
+ if (ret == 0) {
pm8001_printk("no tag for task:%p\n", task);
return TMF_RESP_FUNC_FAILED;
}
@@ -1241,26 +1241,50 @@
/* 2. Send Phy Control Hard Reset */
reinit_completion(&completion);
+ phy->port_reset_status = PORT_RESET_TMO;
phy->reset_success = false;
phy->enable_completion = &completion;
phy->reset_completion = &completion_reset;
ret = PM8001_CHIP_DISP->phy_ctl_req(pm8001_ha, phy_id,
PHY_HARD_RESET);
- if (ret)
+ if (ret) {
+ phy->enable_completion = NULL;
+ phy->reset_completion = NULL;
goto out;
+ }
+
+ /* In the case of the reset timeout/fail we still
+ * abort the command at the firmware. The assumption
+ * here is that the drive is off doing something so
+ * that it's not processing requests, and we want to
+ * avoid getting a completion for this and either
+ * leaking the task in libsas or losing the race and
+ * getting a double free.
+ */
PM8001_MSG_DBG(pm8001_ha,
pm8001_printk("Waiting for local phy ctl\n"));
- wait_for_completion(&completion);
- if (!phy->reset_success)
- goto out;
-
- /* 3. Wait for Port Reset complete / Port reset TMO */
- PM8001_MSG_DBG(pm8001_ha,
+ ret = wait_for_completion_timeout(&completion,
+ PM8001_TASK_TIMEOUT * HZ);
+ if (!ret || !phy->reset_success) {
+ phy->enable_completion = NULL;
+ phy->reset_completion = NULL;
+ } else {
+ /* 3. Wait for Port Reset complete or
+ * Port reset TMO
+ */
+ PM8001_MSG_DBG(pm8001_ha,
pm8001_printk("Waiting for Port reset\n"));
- wait_for_completion(&completion_reset);
- if (phy->port_reset_status) {
- pm8001_dev_gone_notify(dev);
- goto out;
+ ret = wait_for_completion_timeout(
+ &completion_reset,
+ PM8001_TASK_TIMEOUT * HZ);
+ if (!ret)
+ phy->reset_completion = NULL;
+ WARN_ON(phy->port_reset_status ==
+ PORT_RESET_TMO);
+ if (phy->port_reset_status == PORT_RESET_TMO) {
+ pm8001_dev_gone_notify(dev);
+ goto out;
+ }
}
/*
diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c
index 7326190..161bf47 100644
--- a/drivers/scsi/pm8001/pm80xx_hwi.c
+++ b/drivers/scsi/pm8001/pm80xx_hwi.c
@@ -2382,6 +2382,8 @@
pm8001_printk("task 0x%p done with io_status 0x%x"
" resp 0x%x stat 0x%x but aborted by upper layer!\n",
t, status, ts->resp, ts->stat));
+ if (t->slow_task)
+ complete(&t->slow_task->completion);
pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
} else {
spin_unlock_irqrestore(&t->task_state_lock, flags);