Merge branch 'bugzilla-15749' into release (bc396692) · Commits · e / devices / android_kernel_fairphone_FP5

drivers/acpi/acpica/exprep.c

+11 −6

Original line number	Diff line number	Diff line
		@@ -471,13 +471,18 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info)
		/* allow full data read from EC address space */
		if (obj_desc->field.region_obj->region.space_id ==
		ACPI_ADR_SPACE_EC) {
		if (obj_desc->common_field.bit_length > 8)
		obj_desc->common_field.access_bit_width =
		ACPI_ROUND_UP(obj_desc->common_field.
		bit_length, 8);
		if (obj_desc->common_field.bit_length > 8) {
		unsigned width =
		ACPI_ROUND_BITS_UP_TO_BYTES(
		obj_desc->common_field.bit_length);
		// access_bit_width is u8, don't overflow it
		if (width > 8)
		width = 8;
		obj_desc->common_field.access_byte_width =
		ACPI_DIV_8(obj_desc->common_field.
		access_bit_width);
		width;
		obj_desc->common_field.access_bit_width =
		8 * width;
		}
		}

		ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,