disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/acpi/acpica/evhandler.c
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@@ -3,7 +3,7 @@
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  *
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  * Module Name: evhandler - Support for Address Space handlers
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  *
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- * Copyright (C) 2000 - 2018, Intel Corp.
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+ * Copyright (C) 2000 - 2020, Intel Corp.
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  *
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  *****************************************************************************/
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@@ -364,25 +364,25 @@
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 			handler = acpi_ex_system_io_space_handler;
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 			setup = acpi_ev_io_space_region_setup;
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 			break;
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-
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+#ifdef ACPI_PCI_CONFIGURED
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 		case ACPI_ADR_SPACE_PCI_CONFIG:
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 			handler = acpi_ex_pci_config_space_handler;
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 			setup = acpi_ev_pci_config_region_setup;
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 			break;
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-
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+#endif
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 		case ACPI_ADR_SPACE_CMOS:
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 			handler = acpi_ex_cmos_space_handler;
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 			setup = acpi_ev_cmos_region_setup;
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 			break;
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-
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+#ifdef ACPI_PCI_CONFIGURED
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 		case ACPI_ADR_SPACE_PCI_BAR_TARGET:
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 			handler = acpi_ex_pci_bar_space_handler;
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 			setup = acpi_ev_pci_bar_region_setup;
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 			break;
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-
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+#endif
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 		case ACPI_ADR_SPACE_DATA_TABLE:
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 			handler = acpi_ex_data_table_space_handler;
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@@ -489,6 +489,13 @@
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 	/* Init handler obj */
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+	status =
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+	    acpi_os_create_mutex(&handler_obj->address_space.context_mutex);
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+	if (ACPI_FAILURE(status)) {
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+		acpi_ut_remove_reference(handler_obj);
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+		goto unlock_and_exit;
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+	}
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+
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 	handler_obj->address_space.space_id = (u8)space_id;
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 	handler_obj->address_space.handler_flags = flags;
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 	handler_obj->address_space.region_list = NULL;