[GIT PULL] SCSI fixes for 5.14-rc5

From: James Bottomley
Date: Sat Aug 14 2021 - 23:13:21 EST


Three minor fixes, all in drivers.

The patch is available here:

git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git scsi-fixes

The short changelog is:

Colin Ian King (1):
scsi: mpt3sas: Fix incorrectly assigned error return and check

Ewan D. Milne (1):
scsi: lpfc: Move initialization of phba->poll_list earlier to avoid crash

Michael Kelley (1):
scsi: storvsc: Log TEST_UNIT_READY errors as warnings

And the diffstat:

drivers/scsi/lpfc/lpfc_init.c | 3 ++-
drivers/scsi/mpt3sas/mpt3sas_base.c | 2 +-
drivers/scsi/storvsc_drv.c | 14 ++++++++++++--
3 files changed, 15 insertions(+), 4 deletions(-)

With full diff below.

James

---

diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 5983e05b648f..e29523a1b530 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -13193,6 +13193,8 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
if (!phba)
return -ENOMEM;

+ INIT_LIST_HEAD(&phba->poll_list);
+
/* Perform generic PCI device enabling operation */
error = lpfc_enable_pci_dev(phba);
if (error)
@@ -13327,7 +13329,6 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid)
/* Enable RAS FW log support */
lpfc_sli4_ras_setup(phba);

- INIT_LIST_HEAD(&phba->poll_list);
timer_setup(&phba->cpuhp_poll_timer, lpfc_sli4_poll_hbtimer, 0);
cpuhp_state_add_instance_nocalls(lpfc_cpuhp_state, &phba->cpuhp);

diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index 19b1c0cf5f2a..cf4a3a2c22ad 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -7851,7 +7851,7 @@ _base_make_ioc_operational(struct MPT3SAS_ADAPTER *ioc)
return r;
}

- rc = _base_static_config_pages(ioc);
+ r = _base_static_config_pages(ioc);
if (r)
return r;

diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 328bb961c281..37506b3fe5a9 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -1199,14 +1199,24 @@ static void storvsc_on_io_completion(struct storvsc_device *stor_device,
vstor_packet->vm_srb.sense_info_length);

if (vstor_packet->vm_srb.scsi_status != 0 ||
- vstor_packet->vm_srb.srb_status != SRB_STATUS_SUCCESS)
- storvsc_log(device, STORVSC_LOGGING_ERROR,
+ vstor_packet->vm_srb.srb_status != SRB_STATUS_SUCCESS) {
+
+ /*
+ * Log TEST_UNIT_READY errors only as warnings. Hyper-V can
+ * return errors when detecting devices using TEST_UNIT_READY,
+ * and logging these as errors produces unhelpful noise.
+ */
+ int loglevel = (stor_pkt->vm_srb.cdb[0] == TEST_UNIT_READY) ?
+ STORVSC_LOGGING_WARN : STORVSC_LOGGING_ERROR;
+
+ storvsc_log(device, loglevel,
"tag#%d cmd 0x%x status: scsi 0x%x srb 0x%x hv 0x%x\n",
request->cmd->request->tag,
stor_pkt->vm_srb.cdb[0],
vstor_packet->vm_srb.scsi_status,
vstor_packet->vm_srb.srb_status,
vstor_packet->status);
+ }

if (vstor_packet->vm_srb.scsi_status == SAM_STAT_CHECK_CONDITION &&
(vstor_packet->vm_srb.srb_status & SRB_STATUS_AUTOSENSE_VALID))