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11#include <linux/types.h>
12#include <linux/string.h>
13#include <linux/kernel.h>
14#include <linux/export.h>
15#include <linux/sched.h>
16#include <linux/interrupt.h>
17#include <linux/errno.h>
18#include <linux/slab.h>
19#include <linux/delay.h>
20#include <linux/hdreg.h>
21#include <linux/ide.h>
22#include <linux/nmi.h>
23#include <linux/scatterlist.h>
24#include <linux/uaccess.h>
25
26#include <asm/io.h>
27
28void ide_tf_readback(ide_drive_t *drive, struct ide_cmd *cmd)
29{
30 ide_hwif_t *hwif = drive->hwif;
31 const struct ide_tp_ops *tp_ops = hwif->tp_ops;
32
33
34 tp_ops->write_devctl(hwif, ATA_DEVCTL_OBS);
35
36 tp_ops->tf_read(drive, &cmd->tf, cmd->valid.in.tf);
37
38 if (cmd->tf_flags & IDE_TFLAG_LBA48) {
39 tp_ops->write_devctl(hwif, ATA_HOB | ATA_DEVCTL_OBS);
40
41 tp_ops->tf_read(drive, &cmd->hob, cmd->valid.in.hob);
42 }
43}
44
45void ide_tf_dump(const char *s, struct ide_cmd *cmd)
46{
47#ifdef DEBUG
48 printk("%s: tf: feat 0x%02x nsect 0x%02x lbal 0x%02x "
49 "lbam 0x%02x lbah 0x%02x dev 0x%02x cmd 0x%02x\n",
50 s, cmd->tf.feature, cmd->tf.nsect,
51 cmd->tf.lbal, cmd->tf.lbam, cmd->tf.lbah,
52 cmd->tf.device, cmd->tf.command);
53 printk("%s: hob: nsect 0x%02x lbal 0x%02x lbam 0x%02x lbah 0x%02x\n",
54 s, cmd->hob.nsect, cmd->hob.lbal, cmd->hob.lbam, cmd->hob.lbah);
55#endif
56}
57
58int taskfile_lib_get_identify(ide_drive_t *drive, u8 *buf)
59{
60 struct ide_cmd cmd;
61
62 memset(&cmd, 0, sizeof(cmd));
63 cmd.tf.nsect = 0x01;
64 if (drive->media == ide_disk)
65 cmd.tf.command = ATA_CMD_ID_ATA;
66 else
67 cmd.tf.command = ATA_CMD_ID_ATAPI;
68 cmd.valid.out.tf = IDE_VALID_OUT_TF | IDE_VALID_DEVICE;
69 cmd.valid.in.tf = IDE_VALID_IN_TF | IDE_VALID_DEVICE;
70 cmd.protocol = ATA_PROT_PIO;
71
72 return ide_raw_taskfile(drive, &cmd, buf, 1);
73}
74
75static ide_startstop_t task_no_data_intr(ide_drive_t *);
76static ide_startstop_t pre_task_out_intr(ide_drive_t *, struct ide_cmd *);
77static ide_startstop_t task_pio_intr(ide_drive_t *);
78
79ide_startstop_t do_rw_taskfile(ide_drive_t *drive, struct ide_cmd *orig_cmd)
80{
81 ide_hwif_t *hwif = drive->hwif;
82 struct ide_cmd *cmd = &hwif->cmd;
83 struct ide_taskfile *tf = &cmd->tf;
84 ide_handler_t *handler = NULL;
85 const struct ide_tp_ops *tp_ops = hwif->tp_ops;
86 const struct ide_dma_ops *dma_ops = hwif->dma_ops;
87
88 if (orig_cmd->protocol == ATA_PROT_PIO &&
89 (orig_cmd->tf_flags & IDE_TFLAG_MULTI_PIO) &&
90 drive->mult_count == 0) {
91 pr_err("%s: multimode not set!\n", drive->name);
92 return ide_stopped;
93 }
94
95 if (orig_cmd->ftf_flags & IDE_FTFLAG_FLAGGED)
96 orig_cmd->ftf_flags |= IDE_FTFLAG_SET_IN_FLAGS;
97
98 memcpy(cmd, orig_cmd, sizeof(*cmd));
99
100 if ((cmd->tf_flags & IDE_TFLAG_DMA_PIO_FALLBACK) == 0) {
101 ide_tf_dump(drive->name, cmd);
102 tp_ops->write_devctl(hwif, ATA_DEVCTL_OBS);
103
104 if (cmd->ftf_flags & IDE_FTFLAG_OUT_DATA) {
105 u8 data[2] = { cmd->tf.data, cmd->hob.data };
106
107 tp_ops->output_data(drive, cmd, data, 2);
108 }
109
110 if (cmd->valid.out.tf & IDE_VALID_DEVICE) {
111 u8 HIHI = (cmd->tf_flags & IDE_TFLAG_LBA48) ?
112 0xE0 : 0xEF;
113
114 if (!(cmd->ftf_flags & IDE_FTFLAG_FLAGGED))
115 cmd->tf.device &= HIHI;
116 cmd->tf.device |= drive->select;
117 }
118
119 tp_ops->tf_load(drive, &cmd->hob, cmd->valid.out.hob);
120 tp_ops->tf_load(drive, &cmd->tf, cmd->valid.out.tf);
121 }
122
123 switch (cmd->protocol) {
124 case ATA_PROT_PIO:
125 if (cmd->tf_flags & IDE_TFLAG_WRITE) {
126 tp_ops->exec_command(hwif, tf->command);
127 ndelay(400);
128 return pre_task_out_intr(drive, cmd);
129 }
130 handler = task_pio_intr;
131
132 case ATA_PROT_NODATA:
133 if (handler == NULL)
134 handler = task_no_data_intr;
135 ide_execute_command(drive, cmd, handler, WAIT_WORSTCASE);
136 return ide_started;
137 case ATA_PROT_DMA:
138 if (ide_dma_prepare(drive, cmd))
139 return ide_stopped;
140 hwif->expiry = dma_ops->dma_timer_expiry;
141 ide_execute_command(drive, cmd, ide_dma_intr, 2 * WAIT_CMD);
142 dma_ops->dma_start(drive);
143
144 default:
145 return ide_started;
146 }
147}
148EXPORT_SYMBOL_GPL(do_rw_taskfile);
149
150static ide_startstop_t task_no_data_intr(ide_drive_t *drive)
151{
152 ide_hwif_t *hwif = drive->hwif;
153 struct ide_cmd *cmd = &hwif->cmd;
154 struct ide_taskfile *tf = &cmd->tf;
155 int custom = (cmd->tf_flags & IDE_TFLAG_CUSTOM_HANDLER) ? 1 : 0;
156 int retries = (custom && tf->command == ATA_CMD_INIT_DEV_PARAMS) ? 5 : 1;
157 u8 stat;
158
159 local_irq_enable_in_hardirq();
160
161 while (1) {
162 stat = hwif->tp_ops->read_status(hwif);
163 if ((stat & ATA_BUSY) == 0 || retries-- == 0)
164 break;
165 udelay(10);
166 };
167
168 if (!OK_STAT(stat, ATA_DRDY, BAD_STAT)) {
169 if (custom && tf->command == ATA_CMD_SET_MULTI) {
170 drive->mult_req = drive->mult_count = 0;
171 drive->special_flags |= IDE_SFLAG_RECALIBRATE;
172 (void)ide_dump_status(drive, __func__, stat);
173 return ide_stopped;
174 } else if (custom && tf->command == ATA_CMD_INIT_DEV_PARAMS) {
175 if ((stat & (ATA_ERR | ATA_DRQ)) == 0) {
176 ide_set_handler(drive, &task_no_data_intr,
177 WAIT_WORSTCASE);
178 return ide_started;
179 }
180 }
181 return ide_error(drive, "task_no_data_intr", stat);
182 }
183
184 if (custom && tf->command == ATA_CMD_SET_MULTI)
185 drive->mult_count = drive->mult_req;
186
187 if (custom == 0 || tf->command == ATA_CMD_IDLEIMMEDIATE ||
188 tf->command == ATA_CMD_CHK_POWER) {
189 struct request *rq = hwif->rq;
190
191 if (ata_pm_request(rq))
192 ide_complete_pm_rq(drive, rq);
193 else
194 ide_finish_cmd(drive, cmd, stat);
195 }
196
197 return ide_stopped;
198}
199
200static u8 wait_drive_not_busy(ide_drive_t *drive)
201{
202 ide_hwif_t *hwif = drive->hwif;
203 int retries;
204 u8 stat;
205
206
207
208
209
210 for (retries = 0; retries < 1000; retries++) {
211 stat = hwif->tp_ops->read_status(hwif);
212
213 if (stat & ATA_BUSY)
214 udelay(10);
215 else
216 break;
217 }
218
219 if (stat & ATA_BUSY)
220 pr_err("%s: drive still BUSY!\n", drive->name);
221
222 return stat;
223}
224
225void ide_pio_bytes(ide_drive_t *drive, struct ide_cmd *cmd,
226 unsigned int write, unsigned int len)
227{
228 ide_hwif_t *hwif = drive->hwif;
229 struct scatterlist *sg = hwif->sg_table;
230 struct scatterlist *cursg = cmd->cursg;
231 unsigned long uninitialized_var(flags);
232 struct page *page;
233 unsigned int offset;
234 u8 *buf;
235
236 if (cursg == NULL)
237 cursg = cmd->cursg = sg;
238
239 while (len) {
240 unsigned nr_bytes = min(len, cursg->length - cmd->cursg_ofs);
241
242 page = sg_page(cursg);
243 offset = cursg->offset + cmd->cursg_ofs;
244
245
246 page = nth_page(page, (offset >> PAGE_SHIFT));
247 offset %= PAGE_SIZE;
248
249 nr_bytes = min_t(unsigned, nr_bytes, (PAGE_SIZE - offset));
250
251 buf = kmap_atomic(page) + offset;
252
253 cmd->nleft -= nr_bytes;
254 cmd->cursg_ofs += nr_bytes;
255
256 if (cmd->cursg_ofs == cursg->length) {
257 cursg = cmd->cursg = sg_next(cmd->cursg);
258 cmd->cursg_ofs = 0;
259 }
260
261
262 if (write)
263 hwif->tp_ops->output_data(drive, cmd, buf, nr_bytes);
264 else
265 hwif->tp_ops->input_data(drive, cmd, buf, nr_bytes);
266
267 kunmap_atomic(buf);
268
269 len -= nr_bytes;
270 }
271}
272EXPORT_SYMBOL_GPL(ide_pio_bytes);
273
274static void ide_pio_datablock(ide_drive_t *drive, struct ide_cmd *cmd,
275 unsigned int write)
276{
277 unsigned int nr_bytes;
278
279 u8 saved_io_32bit = drive->io_32bit;
280
281 if (cmd->tf_flags & IDE_TFLAG_FS)
282 scsi_req(cmd->rq)->result = 0;
283
284 if (cmd->tf_flags & IDE_TFLAG_IO_16BIT)
285 drive->io_32bit = 0;
286
287 touch_softlockup_watchdog();
288
289 if (cmd->tf_flags & IDE_TFLAG_MULTI_PIO)
290 nr_bytes = min_t(unsigned, cmd->nleft, drive->mult_count << 9);
291 else
292 nr_bytes = SECTOR_SIZE;
293
294 ide_pio_bytes(drive, cmd, write, nr_bytes);
295
296 drive->io_32bit = saved_io_32bit;
297}
298
299static void ide_error_cmd(ide_drive_t *drive, struct ide_cmd *cmd)
300{
301 if (cmd->tf_flags & IDE_TFLAG_FS) {
302 int nr_bytes = cmd->nbytes - cmd->nleft;
303
304 if (cmd->protocol == ATA_PROT_PIO &&
305 ((cmd->tf_flags & IDE_TFLAG_WRITE) || cmd->nleft == 0)) {
306 if (cmd->tf_flags & IDE_TFLAG_MULTI_PIO)
307 nr_bytes -= drive->mult_count << 9;
308 else
309 nr_bytes -= SECTOR_SIZE;
310 }
311
312 if (nr_bytes > 0)
313 ide_complete_rq(drive, BLK_STS_OK, nr_bytes);
314 }
315}
316
317void ide_finish_cmd(ide_drive_t *drive, struct ide_cmd *cmd, u8 stat)
318{
319 struct request *rq = drive->hwif->rq;
320 u8 err = ide_read_error(drive), nsect = cmd->tf.nsect;
321 u8 set_xfer = !!(cmd->tf_flags & IDE_TFLAG_SET_XFER);
322
323 ide_complete_cmd(drive, cmd, stat, err);
324 scsi_req(rq)->result = err;
325
326 if (err == 0 && set_xfer) {
327 ide_set_xfer_rate(drive, nsect);
328 ide_driveid_update(drive);
329 }
330
331 ide_complete_rq(drive, err ? BLK_STS_IOERR : BLK_STS_OK, blk_rq_bytes(rq));
332}
333
334
335
336
337static ide_startstop_t task_pio_intr(ide_drive_t *drive)
338{
339 ide_hwif_t *hwif = drive->hwif;
340 struct ide_cmd *cmd = &drive->hwif->cmd;
341 u8 stat = hwif->tp_ops->read_status(hwif);
342 u8 write = !!(cmd->tf_flags & IDE_TFLAG_WRITE);
343
344 if (write == 0) {
345
346 if (stat & ATA_ERR)
347 goto out_err;
348
349
350 if ((stat & ATA_DRQ) == 0) {
351
352 if (OK_STAT(stat, ATA_DRDY, ATA_BUSY))
353 goto out_end;
354
355
356 goto out_wait;
357 }
358 } else {
359 if (!OK_STAT(stat, DRIVE_READY, drive->bad_wstat))
360 goto out_err;
361
362
363 if (((stat & ATA_DRQ) == 0) ^ (cmd->nleft == 0))
364 goto out_err;
365 }
366
367 if (write && cmd->nleft == 0)
368 goto out_end;
369
370
371 ide_pio_datablock(drive, cmd, write);
372
373
374 if (write == 0 && cmd->nleft == 0) {
375 stat = wait_drive_not_busy(drive);
376 if (!OK_STAT(stat, 0, BAD_STAT))
377 goto out_err;
378
379 goto out_end;
380 }
381out_wait:
382
383 ide_set_handler(drive, &task_pio_intr, WAIT_WORSTCASE);
384 return ide_started;
385out_end:
386 if ((cmd->tf_flags & IDE_TFLAG_FS) == 0)
387 ide_finish_cmd(drive, cmd, stat);
388 else
389 ide_complete_rq(drive, BLK_STS_OK, blk_rq_sectors(cmd->rq) << 9);
390 return ide_stopped;
391out_err:
392 ide_error_cmd(drive, cmd);
393 return ide_error(drive, __func__, stat);
394}
395
396static ide_startstop_t pre_task_out_intr(ide_drive_t *drive,
397 struct ide_cmd *cmd)
398{
399 ide_startstop_t startstop;
400
401 if (ide_wait_stat(&startstop, drive, ATA_DRQ,
402 drive->bad_wstat, WAIT_DRQ)) {
403 pr_err("%s: no DRQ after issuing %sWRITE%s\n", drive->name,
404 (cmd->tf_flags & IDE_TFLAG_MULTI_PIO) ? "MULT" : "",
405 (drive->dev_flags & IDE_DFLAG_LBA48) ? "_EXT" : "");
406 return startstop;
407 }
408
409 if (!force_irqthreads && (drive->dev_flags & IDE_DFLAG_UNMASK) == 0)
410 local_irq_disable();
411
412 ide_set_handler(drive, &task_pio_intr, WAIT_WORSTCASE);
413
414 ide_pio_datablock(drive, cmd, 1);
415
416 return ide_started;
417}
418
419int ide_raw_taskfile(ide_drive_t *drive, struct ide_cmd *cmd, u8 *buf,
420 u16 nsect)
421{
422 struct request *rq;
423 int error;
424
425 rq = blk_get_request(drive->queue,
426 (cmd->tf_flags & IDE_TFLAG_WRITE) ?
427 REQ_OP_DRV_OUT : REQ_OP_DRV_IN, 0);
428 ide_req(rq)->type = ATA_PRIV_TASKFILE;
429
430
431
432
433
434
435
436 if (nsect) {
437 error = blk_rq_map_kern(drive->queue, rq, buf,
438 nsect * SECTOR_SIZE, GFP_NOIO);
439 if (error)
440 goto put_req;
441 }
442
443 rq->special = cmd;
444 cmd->rq = rq;
445
446 blk_execute_rq(drive->queue, NULL, rq, 0);
447 error = scsi_req(rq)->result ? -EIO : 0;
448put_req:
449 blk_put_request(rq);
450 return error;
451}
452EXPORT_SYMBOL(ide_raw_taskfile);
453
454int ide_no_data_taskfile(ide_drive_t *drive, struct ide_cmd *cmd)
455{
456 cmd->protocol = ATA_PROT_NODATA;
457
458 return ide_raw_taskfile(drive, cmd, NULL, 0);
459}
460EXPORT_SYMBOL_GPL(ide_no_data_taskfile);
461
462#ifdef CONFIG_IDE_TASK_IOCTL
463int ide_taskfile_ioctl(ide_drive_t *drive, unsigned long arg)
464{
465 ide_task_request_t *req_task;
466 struct ide_cmd cmd;
467 u8 *outbuf = NULL;
468 u8 *inbuf = NULL;
469 u8 *data_buf = NULL;
470 int err = 0;
471 int tasksize = sizeof(struct ide_task_request_s);
472 unsigned int taskin = 0;
473 unsigned int taskout = 0;
474 u16 nsect = 0;
475 char __user *buf = (char __user *)arg;
476
477 req_task = memdup_user(buf, tasksize);
478 if (IS_ERR(req_task))
479 return PTR_ERR(req_task);
480
481 taskout = req_task->out_size;
482 taskin = req_task->in_size;
483
484 if (taskin > 65536 || taskout > 65536) {
485 err = -EINVAL;
486 goto abort;
487 }
488
489 if (taskout) {
490 int outtotal = tasksize;
491 outbuf = kzalloc(taskout, GFP_KERNEL);
492 if (outbuf == NULL) {
493 err = -ENOMEM;
494 goto abort;
495 }
496 if (copy_from_user(outbuf, buf + outtotal, taskout)) {
497 err = -EFAULT;
498 goto abort;
499 }
500 }
501
502 if (taskin) {
503 int intotal = tasksize + taskout;
504 inbuf = kzalloc(taskin, GFP_KERNEL);
505 if (inbuf == NULL) {
506 err = -ENOMEM;
507 goto abort;
508 }
509 if (copy_from_user(inbuf, buf + intotal, taskin)) {
510 err = -EFAULT;
511 goto abort;
512 }
513 }
514
515 memset(&cmd, 0, sizeof(cmd));
516
517 memcpy(&cmd.hob, req_task->hob_ports, HDIO_DRIVE_HOB_HDR_SIZE - 2);
518 memcpy(&cmd.tf, req_task->io_ports, HDIO_DRIVE_TASK_HDR_SIZE);
519
520 cmd.valid.out.tf = IDE_VALID_DEVICE;
521 cmd.valid.in.tf = IDE_VALID_DEVICE | IDE_VALID_IN_TF;
522 cmd.tf_flags = IDE_TFLAG_IO_16BIT;
523
524 if (drive->dev_flags & IDE_DFLAG_LBA48) {
525 cmd.tf_flags |= IDE_TFLAG_LBA48;
526 cmd.valid.in.hob = IDE_VALID_IN_HOB;
527 }
528
529 if (req_task->out_flags.all) {
530 cmd.ftf_flags |= IDE_FTFLAG_FLAGGED;
531
532 if (req_task->out_flags.b.data)
533 cmd.ftf_flags |= IDE_FTFLAG_OUT_DATA;
534
535 if (req_task->out_flags.b.nsector_hob)
536 cmd.valid.out.hob |= IDE_VALID_NSECT;
537 if (req_task->out_flags.b.sector_hob)
538 cmd.valid.out.hob |= IDE_VALID_LBAL;
539 if (req_task->out_flags.b.lcyl_hob)
540 cmd.valid.out.hob |= IDE_VALID_LBAM;
541 if (req_task->out_flags.b.hcyl_hob)
542 cmd.valid.out.hob |= IDE_VALID_LBAH;
543
544 if (req_task->out_flags.b.error_feature)
545 cmd.valid.out.tf |= IDE_VALID_FEATURE;
546 if (req_task->out_flags.b.nsector)
547 cmd.valid.out.tf |= IDE_VALID_NSECT;
548 if (req_task->out_flags.b.sector)
549 cmd.valid.out.tf |= IDE_VALID_LBAL;
550 if (req_task->out_flags.b.lcyl)
551 cmd.valid.out.tf |= IDE_VALID_LBAM;
552 if (req_task->out_flags.b.hcyl)
553 cmd.valid.out.tf |= IDE_VALID_LBAH;
554 } else {
555 cmd.valid.out.tf |= IDE_VALID_OUT_TF;
556 if (cmd.tf_flags & IDE_TFLAG_LBA48)
557 cmd.valid.out.hob |= IDE_VALID_OUT_HOB;
558 }
559
560 if (req_task->in_flags.b.data)
561 cmd.ftf_flags |= IDE_FTFLAG_IN_DATA;
562
563 if (req_task->req_cmd == IDE_DRIVE_TASK_RAW_WRITE) {
564
565 if (req_task->data_phase == TASKFILE_IN_DMAQ ||
566 req_task->data_phase == TASKFILE_IN_DMA)
567 cmd.tf_flags |= IDE_TFLAG_WRITE;
568 }
569
570 cmd.protocol = ATA_PROT_DMA;
571
572 switch (req_task->data_phase) {
573 case TASKFILE_MULTI_OUT:
574 if (!drive->mult_count) {
575
576 pr_err("%s: %s Multimode Write multcount is not set\n",
577 drive->name, __func__);
578 err = -EPERM;
579 goto abort;
580 }
581 cmd.tf_flags |= IDE_TFLAG_MULTI_PIO;
582
583 case TASKFILE_OUT:
584 cmd.protocol = ATA_PROT_PIO;
585
586 case TASKFILE_OUT_DMAQ:
587 case TASKFILE_OUT_DMA:
588 cmd.tf_flags |= IDE_TFLAG_WRITE;
589 nsect = taskout / SECTOR_SIZE;
590 data_buf = outbuf;
591 break;
592 case TASKFILE_MULTI_IN:
593 if (!drive->mult_count) {
594
595 pr_err("%s: %s Multimode Read multcount is not set\n",
596 drive->name, __func__);
597 err = -EPERM;
598 goto abort;
599 }
600 cmd.tf_flags |= IDE_TFLAG_MULTI_PIO;
601
602 case TASKFILE_IN:
603 cmd.protocol = ATA_PROT_PIO;
604
605 case TASKFILE_IN_DMAQ:
606 case TASKFILE_IN_DMA:
607 nsect = taskin / SECTOR_SIZE;
608 data_buf = inbuf;
609 break;
610 case TASKFILE_NO_DATA:
611 cmd.protocol = ATA_PROT_NODATA;
612 break;
613 default:
614 err = -EFAULT;
615 goto abort;
616 }
617
618 if (req_task->req_cmd == IDE_DRIVE_TASK_NO_DATA)
619 nsect = 0;
620 else if (!nsect) {
621 nsect = (cmd.hob.nsect << 8) | cmd.tf.nsect;
622
623 if (!nsect) {
624 pr_err("%s: in/out command without data\n",
625 drive->name);
626 err = -EFAULT;
627 goto abort;
628 }
629 }
630
631 err = ide_raw_taskfile(drive, &cmd, data_buf, nsect);
632
633 memcpy(req_task->hob_ports, &cmd.hob, HDIO_DRIVE_HOB_HDR_SIZE - 2);
634 memcpy(req_task->io_ports, &cmd.tf, HDIO_DRIVE_TASK_HDR_SIZE);
635
636 if ((cmd.ftf_flags & IDE_FTFLAG_SET_IN_FLAGS) &&
637 req_task->in_flags.all == 0) {
638 req_task->in_flags.all = IDE_TASKFILE_STD_IN_FLAGS;
639 if (drive->dev_flags & IDE_DFLAG_LBA48)
640 req_task->in_flags.all |= (IDE_HOB_STD_IN_FLAGS << 8);
641 }
642
643 if (copy_to_user(buf, req_task, tasksize)) {
644 err = -EFAULT;
645 goto abort;
646 }
647 if (taskout) {
648 int outtotal = tasksize;
649 if (copy_to_user(buf + outtotal, outbuf, taskout)) {
650 err = -EFAULT;
651 goto abort;
652 }
653 }
654 if (taskin) {
655 int intotal = tasksize + taskout;
656 if (copy_to_user(buf + intotal, inbuf, taskin)) {
657 err = -EFAULT;
658 goto abort;
659 }
660 }
661abort:
662 kfree(req_task);
663 kfree(outbuf);
664 kfree(inbuf);
665
666 return err;
667}
668#endif
669