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6cc9ca32 | 1 | /** @file\r |
d7dec593 | 2 | \r |
6cc9ca32 LG |
3 | Internal functions to operate Working Block Space.\r |
4 | \r | |
5 | Copyright (c) 2006 - 2008, Intel Corporation \r | |
d7dec593 | 6 | All rights reserved. This program and the accompanying materials \r |
7 | are licensed and made available under the terms and conditions of the BSD License \r | |
8 | which accompanies this distribution. The full text of the license may be found at \r | |
9 | http://opensource.org/licenses/bsd-license.php \r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
13 | \r | |
6cc9ca32 | 14 | **/\r |
d7dec593 | 15 | \r |
16 | \r | |
17 | #include <FtwLite.h>\r | |
18 | \r | |
6aab8214 | 19 | /**\r |
20 | Check to see if it is a valid work space.\r | |
d7dec593 | 21 | \r |
d7dec593 | 22 | \r |
6aab8214 | 23 | @param WorkingHeader Pointer of working block header\r |
d7dec593 | 24 | \r |
6aab8214 | 25 | @retval EFI_SUCCESS The function completed successfully\r |
26 | @retval EFI_ABORTED The function could not complete successfully.\r | |
d7dec593 | 27 | \r |
6aab8214 | 28 | **/\r |
29 | BOOLEAN\r | |
30 | IsValidWorkSpace (\r | |
31 | IN EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER *WorkingHeader\r | |
32 | )\r | |
d7dec593 | 33 | {\r |
34 | EFI_STATUS Status;\r | |
35 | EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER WorkingBlockHeader;\r | |
36 | \r | |
37 | ASSERT (WorkingHeader != NULL);\r | |
38 | if (WorkingHeader->WorkingBlockValid != FTW_VALID_STATE) {\r | |
39 | return FALSE;\r | |
40 | }\r | |
41 | //\r | |
42 | // Check signature with gEfiSystemNvDataFvGuid\r | |
43 | //\r | |
44 | if (!CompareGuid (&gEfiSystemNvDataFvGuid, &WorkingHeader->Signature)) {\r | |
45 | return FALSE;\r | |
46 | }\r | |
47 | //\r | |
48 | // Check the CRC of header\r | |
49 | //\r | |
50 | CopyMem (\r | |
51 | &WorkingBlockHeader,\r | |
52 | WorkingHeader,\r | |
53 | sizeof (EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER)\r | |
54 | );\r | |
55 | \r | |
56 | //\r | |
57 | // Filter out the Crc and State fields\r | |
58 | //\r | |
59 | SetMem (\r | |
60 | &WorkingBlockHeader.Crc,\r | |
61 | sizeof (UINT32),\r | |
62 | FTW_ERASED_BYTE\r | |
63 | );\r | |
64 | WorkingBlockHeader.WorkingBlockValid = FTW_ERASE_POLARITY;\r | |
65 | WorkingBlockHeader.WorkingBlockInvalid = FTW_ERASE_POLARITY;\r | |
66 | \r | |
67 | //\r | |
68 | // Calculate the Crc of woking block header\r | |
69 | //\r | |
70 | Status = gBS->CalculateCrc32 (\r | |
71 | (UINT8 *) &WorkingBlockHeader,\r | |
72 | sizeof (EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER),\r | |
73 | &WorkingBlockHeader.Crc\r | |
74 | );\r | |
75 | ASSERT_EFI_ERROR (Status);\r | |
76 | \r | |
77 | if (WorkingBlockHeader.Crc != WorkingHeader->Crc) {\r | |
78 | DEBUG ((EFI_D_FTW_LITE, "FtwLite: Work block header CRC check error\n"));\r | |
79 | return FALSE;\r | |
80 | }\r | |
81 | \r | |
82 | return TRUE;\r | |
83 | }\r | |
84 | \r | |
6aab8214 | 85 | /**\r |
86 | Initialize a work space when there is no work space.\r | |
d7dec593 | 87 | \r |
d7dec593 | 88 | \r |
6aab8214 | 89 | @param WorkingHeader Pointer of working block header\r |
d7dec593 | 90 | \r |
6aab8214 | 91 | @retval EFI_SUCCESS The function completed successfully\r |
92 | @retval EFI_ABORTED The function could not complete successfully.\r | |
d7dec593 | 93 | \r |
6aab8214 | 94 | **/\r |
95 | EFI_STATUS\r | |
96 | InitWorkSpaceHeader (\r | |
97 | IN EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER *WorkingHeader\r | |
98 | )\r | |
d7dec593 | 99 | {\r |
100 | EFI_STATUS Status;\r | |
101 | \r | |
102 | ASSERT (WorkingHeader != NULL);\r | |
103 | \r | |
104 | //\r | |
105 | // Here using gEfiSystemNvDataFvGuid as the signature.\r | |
106 | //\r | |
107 | CopyMem (\r | |
108 | &WorkingHeader->Signature,\r | |
109 | &gEfiSystemNvDataFvGuid,\r | |
110 | sizeof (EFI_GUID)\r | |
111 | );\r | |
112 | WorkingHeader->WriteQueueSize = FTW_WORKING_QUEUE_SIZE;\r | |
113 | \r | |
114 | //\r | |
115 | // Crc is calculated with all the fields except Crc and STATE\r | |
116 | //\r | |
117 | WorkingHeader->WorkingBlockValid = FTW_ERASE_POLARITY;\r | |
118 | WorkingHeader->WorkingBlockInvalid = FTW_ERASE_POLARITY;\r | |
119 | SetMem (&WorkingHeader->Crc, sizeof (UINT32), FTW_ERASED_BYTE);\r | |
120 | \r | |
121 | //\r | |
122 | // Calculate the CRC value\r | |
123 | //\r | |
124 | Status = gBS->CalculateCrc32 (\r | |
125 | (UINT8 *) WorkingHeader,\r | |
126 | sizeof (EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER),\r | |
127 | &WorkingHeader->Crc\r | |
128 | );\r | |
129 | ASSERT_EFI_ERROR (Status);\r | |
130 | \r | |
131 | //\r | |
132 | // Restore the WorkingBlockValid flag to VALID state\r | |
133 | //\r | |
134 | WorkingHeader->WorkingBlockValid = FTW_VALID_STATE;\r | |
135 | WorkingHeader->WorkingBlockInvalid = FTW_INVALID_STATE;\r | |
136 | \r | |
137 | return EFI_SUCCESS;\r | |
138 | }\r | |
139 | \r | |
6aab8214 | 140 | /**\r |
141 | Update a bit of state on a block device. The location of the bit is\r | |
142 | calculated by the (Lba, Offset, bit). Here bit is determined by the\r | |
143 | the name of a certain bit.\r | |
144 | \r | |
145 | \r | |
146 | @param FvBlock FVB Protocol interface to access SrcBlock and DestBlock\r | |
147 | @param Lba Lba of a block\r | |
148 | @param Offset Offset on the Lba\r | |
149 | @param NewBit New value that will override the old value if it can be change\r | |
150 | \r | |
151 | @retval EFI_SUCCESS A state bit has been updated successfully\r | |
152 | @retval Others Access block device error.\r | |
153 | Notes:\r | |
154 | Assume all bits of State are inside the same BYTE.\r | |
155 | @retval EFI_ABORTED Read block fail\r | |
156 | \r | |
157 | **/\r | |
d7dec593 | 158 | EFI_STATUS\r |
159 | FtwUpdateFvState (\r | |
160 | IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *FvBlock,\r | |
161 | IN EFI_LBA Lba,\r | |
162 | IN UINTN Offset,\r | |
163 | IN UINT8 NewBit\r | |
164 | )\r | |
d7dec593 | 165 | {\r |
166 | EFI_STATUS Status;\r | |
167 | UINT8 State;\r | |
168 | UINTN Length;\r | |
169 | \r | |
170 | //\r | |
171 | // Read state from device, assume State is only one byte.\r | |
172 | //\r | |
173 | Length = sizeof (UINT8);\r | |
174 | Status = FvBlock->Read (FvBlock, Lba, Offset, &Length, &State);\r | |
175 | if (EFI_ERROR (Status)) {\r | |
176 | return EFI_ABORTED;\r | |
177 | }\r | |
178 | \r | |
179 | State ^= FTW_POLARITY_REVERT;\r | |
180 | State = (UINT8) (State | NewBit);\r | |
181 | State ^= FTW_POLARITY_REVERT;\r | |
182 | \r | |
183 | //\r | |
184 | // Write state back to device\r | |
185 | //\r | |
186 | Length = sizeof (UINT8);\r | |
187 | Status = FvBlock->Write (FvBlock, Lba, Offset, &Length, &State);\r | |
188 | \r | |
189 | return Status;\r | |
190 | }\r | |
191 | \r | |
6aab8214 | 192 | /**\r |
193 | Get the last Write record pointer.\r | |
194 | The last record is the record whose 'complete' state hasn't been set.\r | |
195 | After all, this header may be a EMPTY header entry for next Allocate.\r | |
196 | \r | |
197 | \r | |
198 | @param FtwLiteDevice Private data of this driver\r | |
199 | @param FtwLastRecord Pointer to retrieve the last write record\r | |
200 | \r | |
201 | @retval EFI_SUCCESS Get the last write record successfully\r | |
202 | @retval EFI_ABORTED The FTW work space is damaged\r | |
203 | \r | |
204 | **/\r | |
d7dec593 | 205 | EFI_STATUS\r |
206 | FtwGetLastRecord (\r | |
207 | IN EFI_FTW_LITE_DEVICE *FtwLiteDevice,\r | |
208 | OUT EFI_FTW_LITE_RECORD **FtwLastRecord\r | |
209 | )\r | |
d7dec593 | 210 | {\r |
211 | EFI_FTW_LITE_RECORD *Record;\r | |
212 | \r | |
e11ae3a5 | 213 | *FtwLastRecord = NULL;\r |
d7dec593 | 214 | Record = (EFI_FTW_LITE_RECORD *) (FtwLiteDevice->FtwWorkSpaceHeader + 1);\r |
215 | while (Record->WriteCompleted == FTW_VALID_STATE) {\r | |
216 | //\r | |
217 | // If Offset exceed the FTW work space boudary, return error.\r | |
218 | //\r | |
219 | if ((UINTN) ((UINT8 *) Record - FtwLiteDevice->FtwWorkSpace) > FtwLiteDevice->FtwWorkSpaceSize) {\r | |
220 | return EFI_ABORTED;\r | |
221 | }\r | |
222 | \r | |
223 | Record++;\r | |
224 | }\r | |
225 | //\r | |
226 | // Last write record is found\r | |
227 | //\r | |
228 | *FtwLastRecord = Record;\r | |
229 | return EFI_SUCCESS;\r | |
230 | }\r | |
231 | \r | |
6aab8214 | 232 | /**\r |
233 | Read from working block to refresh the work space in memory.\r | |
d7dec593 | 234 | \r |
d7dec593 | 235 | \r |
6aab8214 | 236 | @param FtwLiteDevice Point to private data of FTW driver\r |
d7dec593 | 237 | \r |
6aab8214 | 238 | @retval EFI_SUCCESS The function completed successfully\r |
239 | @retval EFI_ABORTED The function could not complete successfully.\r | |
d7dec593 | 240 | \r |
6aab8214 | 241 | **/\r |
242 | EFI_STATUS\r | |
243 | WorkSpaceRefresh (\r | |
244 | IN EFI_FTW_LITE_DEVICE *FtwLiteDevice\r | |
245 | )\r | |
d7dec593 | 246 | {\r |
247 | EFI_STATUS Status;\r | |
248 | UINTN Length;\r | |
249 | UINTN Offset;\r | |
250 | EFI_FTW_LITE_RECORD *Record;\r | |
251 | \r | |
252 | //\r | |
253 | // Initialize WorkSpace as FTW_ERASED_BYTE\r | |
254 | //\r | |
255 | SetMem (\r | |
256 | FtwLiteDevice->FtwWorkSpace,\r | |
257 | FtwLiteDevice->FtwWorkSpaceSize,\r | |
258 | FTW_ERASED_BYTE\r | |
259 | );\r | |
260 | \r | |
261 | //\r | |
262 | // Read from working block\r | |
263 | //\r | |
264 | Length = FtwLiteDevice->FtwWorkSpaceSize;\r | |
265 | Status = FtwLiteDevice->FtwFvBlock->Read (\r | |
266 | FtwLiteDevice->FtwFvBlock,\r | |
267 | FtwLiteDevice->FtwWorkSpaceLba,\r | |
268 | FtwLiteDevice->FtwWorkSpaceBase,\r | |
269 | &Length,\r | |
270 | FtwLiteDevice->FtwWorkSpace\r | |
271 | );\r | |
272 | if (EFI_ERROR (Status)) {\r | |
273 | return EFI_ABORTED;\r | |
274 | }\r | |
275 | //\r | |
276 | // Refresh the FtwLastRecord\r | |
277 | //\r | |
278 | Status = FtwGetLastRecord (FtwLiteDevice, &FtwLiteDevice->FtwLastRecord);\r | |
279 | \r | |
280 | Record = FtwLiteDevice->FtwLastRecord;\r | |
281 | Offset = (UINTN) (UINT8 *) Record - (UINTN) FtwLiteDevice->FtwWorkSpace;\r | |
282 | \r | |
283 | //\r | |
284 | // IF work space has error or Record is out of the workspace limit, THEN\r | |
285 | // call reclaim.\r | |
286 | //\r | |
287 | if (EFI_ERROR (Status) || (Offset + WRITE_TOTAL_SIZE >= FtwLiteDevice->FtwWorkSpaceSize)) {\r | |
288 | //\r | |
289 | // reclaim work space in working block.\r | |
290 | //\r | |
e11ae3a5 | 291 | Status = FtwReclaimWorkSpace (FtwLiteDevice, TRUE);\r |
d7dec593 | 292 | if (EFI_ERROR (Status)) {\r |
293 | DEBUG ((EFI_D_FTW_LITE, "FtwLite: Reclaim workspace - %r\n", Status));\r | |
294 | return EFI_ABORTED;\r | |
295 | }\r | |
296 | }\r | |
297 | \r | |
298 | return EFI_SUCCESS;\r | |
299 | }\r | |
300 | \r | |
6aab8214 | 301 | /**\r |
302 | Reclaim the work space on the working block.\r | |
d7dec593 | 303 | \r |
d7dec593 | 304 | \r |
9920ae74 | 305 | @param FtwLiteDevice Point to private data of FTW driver\r |
306 | @param PreserveRecord Whether get the last record or not\r | |
d7dec593 | 307 | \r |
9920ae74 | 308 | @retval EFI_SUCCESS The function completed successfully\r |
309 | @retval EFI_OUT_OF_RESOURCES Allocate memory error\r | |
310 | @retval EFI_ABORTED The function could not complete successfully\r | |
d7dec593 | 311 | \r |
6aab8214 | 312 | **/\r |
313 | EFI_STATUS\r | |
314 | FtwReclaimWorkSpace (\r | |
e11ae3a5 LG |
315 | IN EFI_FTW_LITE_DEVICE *FtwLiteDevice,\r |
316 | IN BOOLEAN PreserveRecord\r | |
6aab8214 | 317 | )\r |
d7dec593 | 318 | {\r |
319 | EFI_STATUS Status;\r | |
320 | UINT8 *TempBuffer;\r | |
321 | UINTN TempBufferSize;\r | |
322 | UINT8 *Ptr;\r | |
323 | UINTN Length;\r | |
324 | UINTN Index;\r | |
325 | UINTN SpareBufferSize;\r | |
326 | UINT8 *SpareBuffer;\r | |
327 | EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER *WorkingBlockHeader;\r | |
e11ae3a5 | 328 | EFI_FTW_LITE_RECORD *Record;\r |
d7dec593 | 329 | \r |
330 | DEBUG ((EFI_D_FTW_LITE, "FtwLite: start to reclaim work space\n"));\r | |
331 | \r | |
332 | //\r | |
333 | // Read all original data from working block to a memory buffer\r | |
334 | //\r | |
335 | TempBufferSize = FtwLiteDevice->SpareAreaLength;\r | |
336 | TempBuffer = AllocateZeroPool (TempBufferSize);\r | |
e11ae3a5 | 337 | if (TempBuffer == NULL) {\r |
d7dec593 | 338 | return EFI_OUT_OF_RESOURCES;\r |
339 | }\r | |
340 | \r | |
341 | Ptr = TempBuffer;\r | |
342 | for (Index = 0; Index < FtwLiteDevice->NumberOfSpareBlock; Index += 1) {\r | |
343 | Length = FtwLiteDevice->SizeOfSpareBlock;\r | |
344 | Status = FtwLiteDevice->FtwFvBlock->Read (\r | |
345 | FtwLiteDevice->FtwFvBlock,\r | |
346 | FtwLiteDevice->FtwWorkBlockLba + Index,\r | |
347 | 0,\r | |
348 | &Length,\r | |
349 | Ptr\r | |
350 | );\r | |
351 | if (EFI_ERROR (Status)) {\r | |
352 | FreePool (TempBuffer);\r | |
353 | return EFI_ABORTED;\r | |
354 | }\r | |
355 | \r | |
356 | Ptr += Length;\r | |
357 | }\r | |
358 | //\r | |
359 | // Clean up the workspace, remove all the completed records.\r | |
360 | //\r | |
361 | Ptr = TempBuffer +\r | |
362 | ((UINTN) (FtwLiteDevice->FtwWorkSpaceLba - FtwLiteDevice->FtwWorkBlockLba)) *\r | |
363 | FtwLiteDevice->SizeOfSpareBlock + FtwLiteDevice->FtwWorkSpaceBase;\r | |
364 | \r | |
e11ae3a5 LG |
365 | //\r |
366 | // Clear the content of buffer that will save the new work space data\r | |
367 | //\r | |
368 | SetMem (Ptr, FtwLiteDevice->FtwWorkSpaceSize, FTW_ERASED_BYTE);\r | |
369 | \r | |
370 | //\r | |
371 | // Copy EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER to buffer\r | |
372 | //\r | |
373 | CopyMem (\r | |
374 | Ptr,\r | |
375 | FtwLiteDevice->FtwWorkSpaceHeader,\r | |
376 | sizeof (EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER)\r | |
377 | );\r | |
378 | if (PreserveRecord) {\r | |
379 | //\r | |
380 | // Get the last record\r | |
381 | //\r | |
382 | Status = FtwGetLastRecord (FtwLiteDevice, &FtwLiteDevice->FtwLastRecord);\r | |
383 | Record = FtwLiteDevice->FtwLastRecord;\r | |
384 | if (!EFI_ERROR (Status) &&\r | |
385 | Record != NULL &&\r | |
386 | Record->WriteAllocated == FTW_VALID_STATE &&\r | |
387 | Record->WriteCompleted != FTW_VALID_STATE) {\r | |
388 | CopyMem (\r | |
389 | (UINT8 *) Ptr + sizeof (EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER),\r | |
390 | Record,\r | |
391 | WRITE_TOTAL_SIZE\r | |
392 | );\r | |
393 | }\r | |
394 | }\r | |
d7dec593 | 395 | \r |
396 | CopyMem (\r | |
397 | FtwLiteDevice->FtwWorkSpace,\r | |
398 | Ptr,\r | |
399 | FtwLiteDevice->FtwWorkSpaceSize\r | |
400 | );\r | |
401 | \r | |
402 | Status = FtwGetLastRecord (FtwLiteDevice, &FtwLiteDevice->FtwLastRecord);\r | |
403 | \r | |
404 | //\r | |
405 | // Set the WorkingBlockValid and WorkingBlockInvalid as INVALID\r | |
406 | //\r | |
407 | WorkingBlockHeader = (EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER *) Ptr;\r | |
408 | WorkingBlockHeader->WorkingBlockValid = FTW_INVALID_STATE;\r | |
409 | WorkingBlockHeader->WorkingBlockInvalid = FTW_INVALID_STATE;\r | |
410 | \r | |
411 | //\r | |
412 | // Try to keep the content of spare block\r | |
413 | // Save spare block into a spare backup memory buffer (Sparebuffer)\r | |
414 | //\r | |
415 | SpareBufferSize = FtwLiteDevice->SpareAreaLength;\r | |
416 | SpareBuffer = AllocatePool (SpareBufferSize);\r | |
417 | if (SpareBuffer == NULL) {\r | |
418 | FreePool (TempBuffer);\r | |
419 | return EFI_OUT_OF_RESOURCES;\r | |
420 | }\r | |
421 | \r | |
422 | Ptr = SpareBuffer;\r | |
423 | for (Index = 0; Index < FtwLiteDevice->NumberOfSpareBlock; Index += 1) {\r | |
424 | Length = FtwLiteDevice->SizeOfSpareBlock;\r | |
425 | Status = FtwLiteDevice->FtwBackupFvb->Read (\r | |
426 | FtwLiteDevice->FtwBackupFvb,\r | |
427 | FtwLiteDevice->FtwSpareLba + Index,\r | |
428 | 0,\r | |
429 | &Length,\r | |
430 | Ptr\r | |
431 | );\r | |
432 | if (EFI_ERROR (Status)) {\r | |
433 | FreePool (TempBuffer);\r | |
434 | FreePool (SpareBuffer);\r | |
435 | return EFI_ABORTED;\r | |
436 | }\r | |
437 | \r | |
438 | Ptr += Length;\r | |
439 | }\r | |
440 | //\r | |
441 | // Write the memory buffer to spare block\r | |
442 | //\r | |
443 | Status = FtwEraseSpareBlock (FtwLiteDevice);\r | |
444 | Ptr = TempBuffer;\r | |
445 | for (Index = 0; Index < FtwLiteDevice->NumberOfSpareBlock; Index += 1) {\r | |
446 | Length = FtwLiteDevice->SizeOfSpareBlock;\r | |
447 | Status = FtwLiteDevice->FtwBackupFvb->Write (\r | |
448 | FtwLiteDevice->FtwBackupFvb,\r | |
449 | FtwLiteDevice->FtwSpareLba + Index,\r | |
450 | 0,\r | |
451 | &Length,\r | |
452 | Ptr\r | |
453 | );\r | |
454 | if (EFI_ERROR (Status)) {\r | |
455 | FreePool (TempBuffer);\r | |
456 | FreePool (SpareBuffer);\r | |
457 | return EFI_ABORTED;\r | |
458 | }\r | |
459 | \r | |
460 | Ptr += Length;\r | |
461 | }\r | |
462 | //\r | |
463 | // Free TempBuffer\r | |
464 | //\r | |
465 | FreePool (TempBuffer);\r | |
466 | \r | |
467 | //\r | |
468 | // Write the spare block to working block\r | |
469 | //\r | |
470 | Status = FlushSpareBlockToWorkingBlock (FtwLiteDevice);\r | |
471 | if (EFI_ERROR (Status)) {\r | |
472 | FreePool (SpareBuffer);\r | |
473 | return Status;\r | |
474 | }\r | |
475 | //\r | |
476 | // Restore spare backup buffer into spare block , if no failure happened during FtwWrite.\r | |
477 | //\r | |
478 | Status = FtwEraseSpareBlock (FtwLiteDevice);\r | |
479 | Ptr = SpareBuffer;\r | |
480 | for (Index = 0; Index < FtwLiteDevice->NumberOfSpareBlock; Index += 1) {\r | |
481 | Length = FtwLiteDevice->SizeOfSpareBlock;\r | |
482 | Status = FtwLiteDevice->FtwBackupFvb->Write (\r | |
483 | FtwLiteDevice->FtwBackupFvb,\r | |
484 | FtwLiteDevice->FtwSpareLba + Index,\r | |
485 | 0,\r | |
486 | &Length,\r | |
487 | Ptr\r | |
488 | );\r | |
489 | if (EFI_ERROR (Status)) {\r | |
490 | FreePool (SpareBuffer);\r | |
491 | return EFI_ABORTED;\r | |
492 | }\r | |
493 | \r | |
494 | Ptr += Length;\r | |
495 | }\r | |
496 | \r | |
497 | FreePool (SpareBuffer);\r | |
498 | \r | |
499 | DEBUG ((EFI_D_FTW_LITE, "FtwLite: reclaim work space success\n"));\r | |
500 | \r | |
501 | return EFI_SUCCESS;\r | |
502 | }\r |