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1da177e4 LT |
1 | /****************************************************************************** |
2 | * | |
3 | * Module Name: exconfig - Namespace reconfiguration (Load/Unload opcodes) | |
4 | * | |
5 | *****************************************************************************/ | |
6 | ||
7 | /* | |
4a90c7e8 | 8 | * Copyright (C) 2000 - 2006, R. Byron Moore |
1da177e4 LT |
9 | * All rights reserved. |
10 | * | |
11 | * Redistribution and use in source and binary forms, with or without | |
12 | * modification, are permitted provided that the following conditions | |
13 | * are met: | |
14 | * 1. Redistributions of source code must retain the above copyright | |
15 | * notice, this list of conditions, and the following disclaimer, | |
16 | * without modification. | |
17 | * 2. Redistributions in binary form must reproduce at minimum a disclaimer | |
18 | * substantially similar to the "NO WARRANTY" disclaimer below | |
19 | * ("Disclaimer") and any redistribution must be conditioned upon | |
20 | * including a substantially similar Disclaimer requirement for further | |
21 | * binary redistribution. | |
22 | * 3. Neither the names of the above-listed copyright holders nor the names | |
23 | * of any contributors may be used to endorse or promote products derived | |
24 | * from this software without specific prior written permission. | |
25 | * | |
26 | * Alternatively, this software may be distributed under the terms of the | |
27 | * GNU General Public License ("GPL") version 2 as published by the Free | |
28 | * Software Foundation. | |
29 | * | |
30 | * NO WARRANTY | |
31 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
32 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
33 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR | |
34 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
35 | * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
36 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
37 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
38 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
39 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | |
40 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
41 | * POSSIBILITY OF SUCH DAMAGES. | |
42 | */ | |
43 | ||
1da177e4 LT |
44 | #include <acpi/acpi.h> |
45 | #include <acpi/acinterp.h> | |
46 | #include <acpi/amlcode.h> | |
47 | #include <acpi/acnamesp.h> | |
48 | #include <acpi/acevents.h> | |
49 | #include <acpi/actables.h> | |
50 | #include <acpi/acdispat.h> | |
51 | ||
1da177e4 | 52 | #define _COMPONENT ACPI_EXECUTER |
4be44fcd | 53 | ACPI_MODULE_NAME("exconfig") |
1da177e4 | 54 | |
44f6c012 | 55 | /* Local prototypes */ |
44f6c012 | 56 | static acpi_status |
f3d2e786 | 57 | acpi_ex_add_table(acpi_native_uint table_index, |
4be44fcd LB |
58 | struct acpi_namespace_node *parent_node, |
59 | union acpi_operand_object **ddb_handle); | |
1da177e4 LT |
60 | |
61 | /******************************************************************************* | |
62 | * | |
63 | * FUNCTION: acpi_ex_add_table | |
64 | * | |
65 | * PARAMETERS: Table - Pointer to raw table | |
66 | * parent_node - Where to load the table (scope) | |
67 | * ddb_handle - Where to return the table handle. | |
68 | * | |
69 | * RETURN: Status | |
70 | * | |
71 | * DESCRIPTION: Common function to Install and Load an ACPI table with a | |
72 | * returned table handle. | |
73 | * | |
74 | ******************************************************************************/ | |
75 | ||
44f6c012 | 76 | static acpi_status |
f3d2e786 | 77 | acpi_ex_add_table(acpi_native_uint table_index, |
4be44fcd LB |
78 | struct acpi_namespace_node *parent_node, |
79 | union acpi_operand_object **ddb_handle) | |
1da177e4 | 80 | { |
4be44fcd | 81 | acpi_status status; |
4be44fcd | 82 | union acpi_operand_object *obj_desc; |
1da177e4 | 83 | |
b229cf92 | 84 | ACPI_FUNCTION_TRACE(ex_add_table); |
1da177e4 LT |
85 | |
86 | /* Create an object to be the table handle */ | |
87 | ||
4be44fcd | 88 | obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_LOCAL_REFERENCE); |
1da177e4 | 89 | if (!obj_desc) { |
4be44fcd | 90 | return_ACPI_STATUS(AE_NO_MEMORY); |
1da177e4 LT |
91 | } |
92 | ||
0c9938cc RM |
93 | /* Init the table handle */ |
94 | ||
95 | obj_desc->reference.opcode = AML_LOAD_OP; | |
96 | *ddb_handle = obj_desc; | |
97 | ||
1da177e4 LT |
98 | /* Install the new table into the local data structures */ |
99 | ||
f3d2e786 | 100 | obj_desc->reference.object = ACPI_CAST_PTR(void, table_index); |
1da177e4 LT |
101 | |
102 | /* Add the table to the namespace */ | |
103 | ||
f3d2e786 | 104 | status = acpi_ns_load_table(table_index, parent_node); |
4be44fcd | 105 | if (ACPI_FAILURE(status)) { |
f3d2e786 BM |
106 | acpi_ut_remove_reference(obj_desc); |
107 | *ddb_handle = NULL; | |
1da177e4 LT |
108 | } |
109 | ||
4be44fcd | 110 | return_ACPI_STATUS(status); |
1da177e4 LT |
111 | } |
112 | ||
1da177e4 LT |
113 | /******************************************************************************* |
114 | * | |
115 | * FUNCTION: acpi_ex_load_table_op | |
116 | * | |
117 | * PARAMETERS: walk_state - Current state with operands | |
118 | * return_desc - Where to store the return object | |
119 | * | |
120 | * RETURN: Status | |
121 | * | |
122 | * DESCRIPTION: Load an ACPI table | |
123 | * | |
124 | ******************************************************************************/ | |
125 | ||
126 | acpi_status | |
4be44fcd LB |
127 | acpi_ex_load_table_op(struct acpi_walk_state *walk_state, |
128 | union acpi_operand_object **return_desc) | |
1da177e4 | 129 | { |
4be44fcd LB |
130 | acpi_status status; |
131 | union acpi_operand_object **operand = &walk_state->operands[0]; | |
f3d2e786 | 132 | acpi_native_uint table_index; |
4be44fcd LB |
133 | struct acpi_namespace_node *parent_node; |
134 | struct acpi_namespace_node *start_node; | |
135 | struct acpi_namespace_node *parameter_node = NULL; | |
136 | union acpi_operand_object *ddb_handle; | |
f3d2e786 | 137 | struct acpi_table_header *table; |
1da177e4 | 138 | |
b229cf92 | 139 | ACPI_FUNCTION_TRACE(ex_load_table_op); |
1da177e4 LT |
140 | |
141 | #if 0 | |
142 | /* | |
143 | * Make sure that the signature does not match one of the tables that | |
144 | * is already loaded. | |
145 | */ | |
4be44fcd | 146 | status = acpi_tb_match_signature(operand[0]->string.pointer, NULL); |
1da177e4 | 147 | if (status == AE_OK) { |
52fc0b02 | 148 | |
1da177e4 LT |
149 | /* Signature matched -- don't allow override */ |
150 | ||
4be44fcd | 151 | return_ACPI_STATUS(AE_ALREADY_EXISTS); |
1da177e4 LT |
152 | } |
153 | #endif | |
154 | ||
155 | /* Find the ACPI table */ | |
156 | ||
4be44fcd LB |
157 | status = acpi_tb_find_table(operand[0]->string.pointer, |
158 | operand[1]->string.pointer, | |
f3d2e786 | 159 | operand[2]->string.pointer, &table_index); |
4be44fcd | 160 | if (ACPI_FAILURE(status)) { |
1da177e4 | 161 | if (status != AE_NOT_FOUND) { |
4be44fcd | 162 | return_ACPI_STATUS(status); |
1da177e4 LT |
163 | } |
164 | ||
165 | /* Table not found, return an Integer=0 and AE_OK */ | |
166 | ||
4be44fcd | 167 | ddb_handle = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER); |
1da177e4 | 168 | if (!ddb_handle) { |
4be44fcd | 169 | return_ACPI_STATUS(AE_NO_MEMORY); |
1da177e4 LT |
170 | } |
171 | ||
172 | ddb_handle->integer.value = 0; | |
173 | *return_desc = ddb_handle; | |
174 | ||
4be44fcd | 175 | return_ACPI_STATUS(AE_OK); |
1da177e4 LT |
176 | } |
177 | ||
178 | /* Default nodes */ | |
179 | ||
180 | start_node = walk_state->scope_info->scope.node; | |
181 | parent_node = acpi_gbl_root_node; | |
182 | ||
183 | /* root_path (optional parameter) */ | |
184 | ||
185 | if (operand[3]->string.length > 0) { | |
186 | /* | |
187 | * Find the node referenced by the root_path_string. This is the | |
188 | * location within the namespace where the table will be loaded. | |
189 | */ | |
4be44fcd | 190 | status = |
4119532c BM |
191 | acpi_ns_get_node(start_node, operand[3]->string.pointer, |
192 | ACPI_NS_SEARCH_PARENT, &parent_node); | |
4be44fcd LB |
193 | if (ACPI_FAILURE(status)) { |
194 | return_ACPI_STATUS(status); | |
1da177e4 LT |
195 | } |
196 | } | |
197 | ||
198 | /* parameter_path (optional parameter) */ | |
199 | ||
200 | if (operand[4]->string.length > 0) { | |
201 | if ((operand[4]->string.pointer[0] != '\\') && | |
4be44fcd | 202 | (operand[4]->string.pointer[0] != '^')) { |
1da177e4 LT |
203 | /* |
204 | * Path is not absolute, so it will be relative to the node | |
205 | * referenced by the root_path_string (or the NS root if omitted) | |
206 | */ | |
207 | start_node = parent_node; | |
208 | } | |
209 | ||
44f6c012 RM |
210 | /* Find the node referenced by the parameter_path_string */ |
211 | ||
4be44fcd | 212 | status = |
4119532c BM |
213 | acpi_ns_get_node(start_node, operand[4]->string.pointer, |
214 | ACPI_NS_SEARCH_PARENT, ¶meter_node); | |
4be44fcd LB |
215 | if (ACPI_FAILURE(status)) { |
216 | return_ACPI_STATUS(status); | |
1da177e4 LT |
217 | } |
218 | } | |
219 | ||
220 | /* Load the table into the namespace */ | |
221 | ||
f3d2e786 | 222 | status = acpi_ex_add_table(table_index, parent_node, &ddb_handle); |
4be44fcd LB |
223 | if (ACPI_FAILURE(status)) { |
224 | return_ACPI_STATUS(status); | |
1da177e4 LT |
225 | } |
226 | ||
227 | /* Parameter Data (optional) */ | |
228 | ||
229 | if (parameter_node) { | |
52fc0b02 | 230 | |
1da177e4 LT |
231 | /* Store the parameter data into the optional parameter object */ |
232 | ||
4be44fcd LB |
233 | status = acpi_ex_store(operand[5], |
234 | ACPI_CAST_PTR(union acpi_operand_object, | |
235 | parameter_node), | |
236 | walk_state); | |
237 | if (ACPI_FAILURE(status)) { | |
238 | (void)acpi_ex_unload_table(ddb_handle); | |
239 | return_ACPI_STATUS(status); | |
1da177e4 LT |
240 | } |
241 | } | |
242 | ||
f3d2e786 BM |
243 | status = acpi_get_table_by_index(table_index, &table); |
244 | if (ACPI_SUCCESS(status)) { | |
245 | ACPI_INFO((AE_INFO, | |
246 | "Dynamic OEM Table Load - [%4.4s] OemId [%6.6s] OemTableId [%8.8s]", | |
247 | table->signature, table->oem_id, | |
248 | table->oem_table_id)); | |
249 | } | |
967440e3 | 250 | |
1da177e4 | 251 | *return_desc = ddb_handle; |
4be44fcd | 252 | return_ACPI_STATUS(status); |
1da177e4 LT |
253 | } |
254 | ||
1da177e4 LT |
255 | /******************************************************************************* |
256 | * | |
257 | * FUNCTION: acpi_ex_load_op | |
258 | * | |
259 | * PARAMETERS: obj_desc - Region or Field where the table will be | |
260 | * obtained | |
261 | * Target - Where a handle to the table will be stored | |
262 | * walk_state - Current state | |
263 | * | |
264 | * RETURN: Status | |
265 | * | |
266 | * DESCRIPTION: Load an ACPI table from a field or operation region | |
267 | * | |
268 | ******************************************************************************/ | |
269 | ||
270 | acpi_status | |
4be44fcd LB |
271 | acpi_ex_load_op(union acpi_operand_object *obj_desc, |
272 | union acpi_operand_object *target, | |
273 | struct acpi_walk_state *walk_state) | |
1da177e4 | 274 | { |
4be44fcd LB |
275 | acpi_status status; |
276 | union acpi_operand_object *ddb_handle; | |
277 | union acpi_operand_object *buffer_desc = NULL; | |
278 | struct acpi_table_header *table_ptr = NULL; | |
f3d2e786 | 279 | acpi_native_uint table_index; |
4be44fcd LB |
280 | acpi_physical_address address; |
281 | struct acpi_table_header table_header; | |
958dd242 | 282 | acpi_integer temp; |
4be44fcd | 283 | u32 i; |
1da177e4 | 284 | |
b229cf92 | 285 | ACPI_FUNCTION_TRACE(ex_load_op); |
1da177e4 LT |
286 | |
287 | /* Object can be either an op_region or a Field */ | |
288 | ||
4be44fcd | 289 | switch (ACPI_GET_OBJECT_TYPE(obj_desc)) { |
1da177e4 LT |
290 | case ACPI_TYPE_REGION: |
291 | ||
4be44fcd LB |
292 | ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Load from Region %p %s\n", |
293 | obj_desc, | |
294 | acpi_ut_get_object_type_name(obj_desc))); | |
1da177e4 LT |
295 | |
296 | /* | |
297 | * If the Region Address and Length have not been previously evaluated, | |
298 | * evaluate them now and save the results. | |
299 | */ | |
300 | if (!(obj_desc->common.flags & AOPOBJ_DATA_VALID)) { | |
4be44fcd LB |
301 | status = acpi_ds_get_region_arguments(obj_desc); |
302 | if (ACPI_FAILURE(status)) { | |
303 | return_ACPI_STATUS(status); | |
1da177e4 LT |
304 | } |
305 | } | |
306 | ||
307 | /* Get the base physical address of the region */ | |
308 | ||
309 | address = obj_desc->region.address; | |
310 | ||
958dd242 | 311 | /* Get part of the table header to get the table length */ |
1da177e4 LT |
312 | |
313 | table_header.length = 0; | |
314 | for (i = 0; i < 8; i++) { | |
4be44fcd LB |
315 | status = |
316 | acpi_ev_address_space_dispatch(obj_desc, ACPI_READ, | |
317 | (acpi_physical_address) | |
318 | (i + address), 8, | |
958dd242 | 319 | &temp); |
4be44fcd LB |
320 | if (ACPI_FAILURE(status)) { |
321 | return_ACPI_STATUS(status); | |
1da177e4 | 322 | } |
958dd242 BM |
323 | |
324 | /* Get the one valid byte of the returned 64-bit value */ | |
325 | ||
326 | ACPI_CAST_PTR(u8, &table_header)[i] = (u8) temp; | |
1da177e4 LT |
327 | } |
328 | ||
329 | /* Sanity check the table length */ | |
330 | ||
4be44fcd LB |
331 | if (table_header.length < sizeof(struct acpi_table_header)) { |
332 | return_ACPI_STATUS(AE_BAD_HEADER); | |
1da177e4 LT |
333 | } |
334 | ||
335 | /* Allocate a buffer for the entire table */ | |
336 | ||
8313524a | 337 | table_ptr = ACPI_ALLOCATE(table_header.length); |
1da177e4 | 338 | if (!table_ptr) { |
4be44fcd | 339 | return_ACPI_STATUS(AE_NO_MEMORY); |
1da177e4 LT |
340 | } |
341 | ||
342 | /* Get the entire table from the op region */ | |
343 | ||
344 | for (i = 0; i < table_header.length; i++) { | |
4be44fcd LB |
345 | status = |
346 | acpi_ev_address_space_dispatch(obj_desc, ACPI_READ, | |
347 | (acpi_physical_address) | |
348 | (i + address), 8, | |
958dd242 | 349 | &temp); |
4be44fcd | 350 | if (ACPI_FAILURE(status)) { |
1da177e4 LT |
351 | goto cleanup; |
352 | } | |
958dd242 BM |
353 | |
354 | /* Get the one valid byte of the returned 64-bit value */ | |
355 | ||
356 | ACPI_CAST_PTR(u8, table_ptr)[i] = (u8) temp; | |
1da177e4 LT |
357 | } |
358 | break; | |
359 | ||
1da177e4 LT |
360 | case ACPI_TYPE_LOCAL_REGION_FIELD: |
361 | case ACPI_TYPE_LOCAL_BANK_FIELD: | |
362 | case ACPI_TYPE_LOCAL_INDEX_FIELD: | |
363 | ||
4be44fcd LB |
364 | ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Load from Field %p %s\n", |
365 | obj_desc, | |
366 | acpi_ut_get_object_type_name(obj_desc))); | |
1da177e4 LT |
367 | |
368 | /* | |
369 | * The length of the field must be at least as large as the table. | |
370 | * Read the entire field and thus the entire table. Buffer is | |
371 | * allocated during the read. | |
372 | */ | |
4be44fcd LB |
373 | status = |
374 | acpi_ex_read_data_from_field(walk_state, obj_desc, | |
375 | &buffer_desc); | |
376 | if (ACPI_FAILURE(status)) { | |
377 | return_ACPI_STATUS(status); | |
1da177e4 LT |
378 | } |
379 | ||
4be44fcd LB |
380 | table_ptr = ACPI_CAST_PTR(struct acpi_table_header, |
381 | buffer_desc->buffer.pointer); | |
1da177e4 | 382 | |
88ac00f5 RM |
383 | /* All done with the buffer_desc, delete it */ |
384 | ||
385 | buffer_desc->buffer.pointer = NULL; | |
4be44fcd | 386 | acpi_ut_remove_reference(buffer_desc); |
88ac00f5 RM |
387 | |
388 | /* Sanity check the table length */ | |
1da177e4 | 389 | |
4be44fcd | 390 | if (table_ptr->length < sizeof(struct acpi_table_header)) { |
88ac00f5 RM |
391 | status = AE_BAD_HEADER; |
392 | goto cleanup; | |
1da177e4 LT |
393 | } |
394 | break; | |
395 | ||
1da177e4 | 396 | default: |
4be44fcd | 397 | return_ACPI_STATUS(AE_AML_OPERAND_TYPE); |
1da177e4 LT |
398 | } |
399 | ||
400 | /* The table must be either an SSDT or a PSDT */ | |
401 | ||
f3d2e786 BM |
402 | if ((!ACPI_COMPARE_NAME(table_ptr->signature, ACPI_SIG_PSDT)) && |
403 | (!ACPI_COMPARE_NAME(table_ptr->signature, ACPI_SIG_SSDT))) { | |
b8e4d893 BM |
404 | ACPI_ERROR((AE_INFO, |
405 | "Table has invalid signature [%4.4s], must be SSDT or PSDT", | |
406 | table_ptr->signature)); | |
1da177e4 LT |
407 | status = AE_BAD_SIGNATURE; |
408 | goto cleanup; | |
409 | } | |
410 | ||
f3d2e786 BM |
411 | /* |
412 | * Install the new table into the local data structures | |
413 | */ | |
414 | status = acpi_tb_add_table(table_ptr, &table_index); | |
415 | if (ACPI_FAILURE(status)) { | |
416 | return_ACPI_STATUS(status); | |
417 | } | |
1da177e4 | 418 | |
f3d2e786 BM |
419 | status = |
420 | acpi_ex_add_table(table_index, acpi_gbl_root_node, &ddb_handle); | |
4be44fcd | 421 | if (ACPI_FAILURE(status)) { |
52fc0b02 | 422 | |
88ac00f5 RM |
423 | /* On error, table_ptr was deallocated above */ |
424 | ||
4be44fcd | 425 | return_ACPI_STATUS(status); |
1da177e4 LT |
426 | } |
427 | ||
428 | /* Store the ddb_handle into the Target operand */ | |
429 | ||
4be44fcd LB |
430 | status = acpi_ex_store(ddb_handle, target, walk_state); |
431 | if (ACPI_FAILURE(status)) { | |
432 | (void)acpi_ex_unload_table(ddb_handle); | |
1da177e4 | 433 | |
88ac00f5 | 434 | /* table_ptr was deallocated above */ |
1da177e4 | 435 | |
4be44fcd | 436 | return_ACPI_STATUS(status); |
88ac00f5 | 437 | } |
1da177e4 | 438 | |
967440e3 BM |
439 | ACPI_INFO((AE_INFO, |
440 | "Dynamic SSDT Load - OemId [%6.6s] OemTableId [%8.8s]", | |
441 | table_ptr->oem_id, table_ptr->oem_table_id)); | |
442 | ||
4be44fcd LB |
443 | cleanup: |
444 | if (ACPI_FAILURE(status)) { | |
8313524a | 445 | ACPI_FREE(table_ptr); |
1da177e4 | 446 | } |
4be44fcd | 447 | return_ACPI_STATUS(status); |
1da177e4 LT |
448 | } |
449 | ||
1da177e4 LT |
450 | /******************************************************************************* |
451 | * | |
452 | * FUNCTION: acpi_ex_unload_table | |
453 | * | |
454 | * PARAMETERS: ddb_handle - Handle to a previously loaded table | |
455 | * | |
456 | * RETURN: Status | |
457 | * | |
458 | * DESCRIPTION: Unload an ACPI table | |
459 | * | |
460 | ******************************************************************************/ | |
461 | ||
4be44fcd | 462 | acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle) |
1da177e4 | 463 | { |
4be44fcd LB |
464 | acpi_status status = AE_OK; |
465 | union acpi_operand_object *table_desc = ddb_handle; | |
f3d2e786 | 466 | acpi_native_uint table_index; |
1da177e4 | 467 | |
b229cf92 | 468 | ACPI_FUNCTION_TRACE(ex_unload_table); |
1da177e4 LT |
469 | |
470 | /* | |
471 | * Validate the handle | |
472 | * Although the handle is partially validated in acpi_ex_reconfiguration(), | |
473 | * when it calls acpi_ex_resolve_operands(), the handle is more completely | |
474 | * validated here. | |
475 | */ | |
476 | if ((!ddb_handle) || | |
4be44fcd LB |
477 | (ACPI_GET_DESCRIPTOR_TYPE(ddb_handle) != ACPI_DESC_TYPE_OPERAND) || |
478 | (ACPI_GET_OBJECT_TYPE(ddb_handle) != ACPI_TYPE_LOCAL_REFERENCE)) { | |
479 | return_ACPI_STATUS(AE_BAD_PARAMETER); | |
1da177e4 LT |
480 | } |
481 | ||
f3d2e786 | 482 | /* Get the table index from the ddb_handle */ |
1da177e4 | 483 | |
f3d2e786 | 484 | table_index = (acpi_native_uint) table_desc->reference.object; |
1da177e4 LT |
485 | |
486 | /* | |
487 | * Delete the entire namespace under this table Node | |
488 | * (Offset contains the table_id) | |
489 | */ | |
f3d2e786 BM |
490 | acpi_tb_delete_namespace_by_owner(table_index); |
491 | acpi_tb_release_owner_id(table_index); | |
1da177e4 | 492 | |
f3d2e786 | 493 | acpi_tb_set_table_loaded_flag(table_index, FALSE); |
1da177e4 LT |
494 | |
495 | /* Delete the table descriptor (ddb_handle) */ | |
496 | ||
4be44fcd LB |
497 | acpi_ut_remove_reference(table_desc); |
498 | return_ACPI_STATUS(status); | |
1da177e4 | 499 | } |