scsi/pm8001: handle allocation failures

index 9793aa6..d8db013 100644
@@ -4194,6 +4194,8 @@ static int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha,
 
 	nvmd_type = ioctl_payload->minor_function;
 	fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
+	if (!fw_control_context)
+		return -ENOMEM;
 	fw_control_context->usrAddr = (u8 *)&ioctl_payload->func_specific[0];
 	fw_control_context->len = ioctl_payload->length;
 	circularQ = &pm8001_ha->inbnd_q_tbl[0];

@@ -4272,6 +4274,8 @@ static int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha,
 
 	nvmd_type = ioctl_payload->minor_function;
 	fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
+	if (!fw_control_context)
+		return -ENOMEM;
 	circularQ = &pm8001_ha->inbnd_q_tbl[0];
 	memcpy(pm8001_ha->memoryMap.region[NVMD].virt_ptr,
 		ioctl_payload->func_specific,

@@ -4381,6 +4385,8 @@ pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha,
 	struct pm8001_ioctl_payload *ioctl_payload = payload;
 
 	fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
+	if (!fw_control_context)
+		return -ENOMEM;
 	fw_control = (struct fw_control_info *)&ioctl_payload->func_specific[0];
 	if (fw_control->len != 0) {
 		if (pm8001_mem_alloc(pm8001_ha->pdev,

@@ -4194,6 +4194,8 @@ static int pm8001_chip_get_nvmd_req(struct