From: Chandrakanth Patil chandrakanth.patil@broadcom.com
The driver doesn't clean up all the allocated resources properly when scsi_add_host(), megasas_start_aen() function fails during the PCI device probe.
Clean up all those resources.
Link: https://lore.kernel.org/r/20210528131307.25683-3-chandrakanth.patil@broadcom... Signed-off-by: Chandrakanth Patil chandrakanth.patil@broadcom.com Signed-off-by: Sumit Saxena sumit.saxena@broadcom.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Luo Gengkun luogengkun2@huawei.com --- drivers/scsi/megaraid/megaraid_sas_base.c | 13 +++++++++++++ drivers/scsi/megaraid/megaraid_sas_fusion.c | 1 + 2 files changed, 14 insertions(+)
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index 566dd86c857a..e8e78bd7bc6d 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -6630,11 +6630,16 @@ static int megasas_probe_one(struct pci_dev *pdev, return 0;
fail_start_aen: + instance->unload = 1; + scsi_remove_host(instance->host); fail_io_attach: megasas_mgmt_info.count--; megasas_mgmt_info.max_index--; megasas_mgmt_info.instance[megasas_mgmt_info.max_index] = NULL;
+ if (instance->requestorId && !instance->skip_heartbeat_timer_del) + del_timer_sync(&instance->sriov_heartbeat_timer); + instance->instancet->disable_intr(instance); megasas_destroy_irqs(instance);
@@ -6642,8 +6647,16 @@ static int megasas_probe_one(struct pci_dev *pdev, megasas_release_fusion(instance); else megasas_release_mfi(instance); + if (instance->msix_vectors) pci_free_irq_vectors(instance->pdev); + instance->msix_vectors = 0; + + if (instance->fw_crash_state != UNAVAILABLE) + megasas_free_host_crash_buffer(instance); + + if (instance->adapter_type != MFI_SERIES) + megasas_fusion_stop_watchdog(instance); fail_init_mfi: scsi_host_put(host); fail_alloc_instance: diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index 7e1f6ef74f6c..26bb7f33afd9 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -4936,6 +4936,7 @@ megasas_alloc_fusion_context(struct megasas_instance *instance) if (!fusion->log_to_span) { dev_err(&instance->pdev->dev, "Failed from %s %d\n", __func__, __LINE__); + kfree(instance->ctrl_context); return -ENOMEM; } }