[PATCH AUTOSEL 5.15 34/41] scsi: mpt3sas: Fail reset operation if config request timed out

Sasha Levin
2022-04-12T00:54:04Z

From: Sreekanth Reddy <sreekanth.reddy@broadcom.com>

[ Upstream commit f61eb1216c959f93ffabd3b8781fa5b2b22f8907 ]

As part of controller reset operation the driver issues a config request
command. If this command gets times out, then fail the controller reset
operation instead of retrying it.

Link: https://lore.kernel.org/r/20220405120637.20528-1-sreekanth.reddy@broadcom.com
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/scsi/mpt3sas/mpt3sas_config.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/mpt3sas/mpt3sas_config.c b/drivers/scsi/mpt3sas/mpt3sas_config.c
index 0563078227de..a8dd14c91efd 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_config.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_config.c
@@ -394,10 +394,13 @@ _config_request(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigRequest_t
retry_count++;
if (ioc->config_cmds.smid == smid)
mpt3sas_base_free_smid(ioc, smid);
- if ((ioc->shost_recovery) || (ioc->config_cmds.status &
- MPT3_CMD_RESET) || ioc->pci_error_recovery)
+ if (ioc->config_cmds.status & MPT3_CMD_RESET)
goto retry_config;
- issue_host_reset = 1;
+ if (ioc->shost_recovery || ioc->pci_error_recovery) {
+ issue_host_reset = 0;
+ r = -EFAULT;
+ } else
+ issue_host_reset = 1;
goto free_mem;
}

--
2.35.1