diff options
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_base.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index de67cf31046..3ccfbec682d 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -1571,6 +1571,12 @@ megasas_queue_command(struct Scsi_Host *shost, struct scsi_cmnd *scmd) instance = (struct megasas_instance *) scmd->device->host->hostdata; + if (instance->unload == 1) { + scmd->result = DID_NO_CONNECT << 16; + scmd->scsi_done(scmd); + return 0; + } + if (instance->issuepend_done == 0) return SCSI_MLQUEUE_HOST_BUSY; @@ -5011,10 +5017,6 @@ static int megasas_io_attach(struct megasas_instance *instance) return -ENODEV; } - /* - * Trigger SCSI to scan our drives - */ - scsi_scan_host(host); return 0; } @@ -5344,6 +5346,10 @@ retry_irq_register: goto fail_io_attach; instance->unload = 0; + /* + * Trigger SCSI to scan our drives + */ + scsi_scan_host(host); /* * Initiate AEN (Asynchronous Event Notification) @@ -6107,6 +6113,11 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance, megasas_issue_blocked_cmd(instance, cmd, 0); cmd->sync_cmd = 0; + if (instance->unload == 1) { + dev_info(&instance->pdev->dev, "Driver unload is in progress " + "don't submit data to application\n"); + goto out; + } /* * copy out the kernel buffers to user buffers */ |