[PATCH 4.9 43/77] scsi: megaraid_sas: set minimum value of resetwaittime to be 1 secs

Greg Kroah-Hartman
2017-09-24T20:38:28Z

From: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>

commit e636a7a430f41efb0ff2727960ce61ef9f8f6769 upstream.

Setting resetwaittime to 0 during a FW fault will result in driver not
calling the OCR.

Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/scsi/megaraid/megaraid_sas_base.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -5290,7 +5290,8 @@ static int megasas_init_fw(struct megasa
instance->throttlequeuedepth =
MEGASAS_THROTTLE_QUEUE_DEPTH;

- if (resetwaittime > MEGASAS_RESET_WAIT_TIME)
+ if ((resetwaittime < 1) ||
+ (resetwaittime > MEGASAS_RESET_WAIT_TIME))
resetwaittime = MEGASAS_RESET_WAIT_TIME;

if ((scmd_timeout < 10) || (scmd_timeout > MEGASAS_DEFAULT_CMD_TIMEOUT))