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scsi: megaraid_sas: Do not kill host bus adapter, if adapter is already dead

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Link: https://lore.kernel.org/r/1579000882-20246-5-git-send-email-anand.lodnoor@broadcom.com
Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Signed-off-by: Anand Lodnoor <anand.lodnoor@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Anand Lodnoor 2020-01-14 16:51:15 +05:30 committed by Martin K. Petersen
parent 6e73550670
commit eb974f34bb
1 changed files with 6 additions and 0 deletions
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6
drivers/scsi/megaraid/megaraid_sas_base.c
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@ -2154,6 +2154,12 @@ static void megasas_complete_outstanding_ioctls(struct megasas_instance *instanc
void megaraid_sas_kill_hba(struct megasas_instance *instance)
{
if (atomic_read(&instance->adprecovery) == MEGASAS_HW_CRITICAL_ERROR) {
dev_warn(&instance->pdev->dev,
"Adapter already dead, skipping kill HBA\n");
return;
}
/* Set critical error to block I/O & ioctls in case caller didn't */
atomic_set(&instance->adprecovery, MEGASAS_HW_CRITICAL_ERROR);
/* Wait 1 second to ensure IO or ioctls in build have posted */