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Commit | Line | Data |
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ed9eccbe | 1 | /* |
0a87c0eb IA |
2 | * comedi/comedi_compat32.c |
3 | * 32-bit ioctl compatibility for 64-bit comedi kernel module. | |
4 | * | |
5 | * Author: Ian Abbott, MEV Ltd. <abbotti@mev.co.uk> | |
6 | * Copyright (C) 2007 MEV Ltd. <http://www.mev.co.uk/> | |
7 | * | |
8 | * COMEDI - Linux Control and Measurement Device Interface | |
9 | * Copyright (C) 1997-2007 David A. Schleef <ds@schleef.org> | |
10 | * | |
11 | * This program is free software; you can redistribute it and/or modify | |
12 | * it under the terms of the GNU General Public License as published by | |
13 | * the Free Software Foundation; either version 2 of the License, or | |
14 | * (at your option) any later version. | |
15 | * | |
16 | * This program is distributed in the hope that it will be useful, | |
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | * GNU General Public License for more details. | |
20 | */ | |
ed9eccbe | 21 | |
f3662436 | 22 | #include <linux/uaccess.h> |
00d20c64 IA |
23 | #include <linux/compat.h> |
24 | #include <linux/fs.h> | |
3b6b25b5 | 25 | #include "comedi.h" |
ed9eccbe DS |
26 | #include "comedi_compat32.h" |
27 | ||
01914923 GKH |
28 | #define COMEDI32_CHANINFO _IOR(CIO, 3, struct comedi32_chaninfo_struct) |
29 | #define COMEDI32_RANGEINFO _IOR(CIO, 8, struct comedi32_rangeinfo_struct) | |
79b09aac IA |
30 | /* |
31 | * N.B. COMEDI32_CMD and COMEDI_CMD ought to use _IOWR, not _IOR. | |
32 | * It's too late to change it now, but it only affects the command number. | |
33 | */ | |
01914923 | 34 | #define COMEDI32_CMD _IOR(CIO, 9, struct comedi32_cmd_struct) |
79b09aac IA |
35 | /* |
36 | * N.B. COMEDI32_CMDTEST and COMEDI_CMDTEST ought to use _IOWR, not _IOR. | |
37 | * It's too late to change it now, but it only affects the command number. | |
38 | */ | |
01914923 GKH |
39 | #define COMEDI32_CMDTEST _IOR(CIO, 10, struct comedi32_cmd_struct) |
40 | #define COMEDI32_INSNLIST _IOR(CIO, 11, struct comedi32_insnlist_struct) | |
41 | #define COMEDI32_INSN _IOR(CIO, 12, struct comedi32_insn_struct) | |
ed9eccbe | 42 | |
bf8db92e | 43 | struct comedi32_chaninfo_struct { |
ed9eccbe | 44 | unsigned int subdev; |
790c5541 | 45 | compat_uptr_t maxdata_list; /* 32-bit 'unsigned int *' */ |
0ec14885 | 46 | compat_uptr_t flaglist; /* 32-bit 'unsigned int *' */ |
ed9eccbe DS |
47 | compat_uptr_t rangelist; /* 32-bit 'unsigned int *' */ |
48 | unsigned int unused[4]; | |
bf8db92e | 49 | }; |
ed9eccbe | 50 | |
bf8db92e | 51 | struct comedi32_rangeinfo_struct { |
ed9eccbe DS |
52 | unsigned int range_type; |
53 | compat_uptr_t range_ptr; /* 32-bit 'void *' */ | |
bf8db92e | 54 | }; |
ed9eccbe | 55 | |
bf8db92e | 56 | struct comedi32_cmd_struct { |
ed9eccbe DS |
57 | unsigned int subdev; |
58 | unsigned int flags; | |
59 | unsigned int start_src; | |
60 | unsigned int start_arg; | |
61 | unsigned int scan_begin_src; | |
62 | unsigned int scan_begin_arg; | |
63 | unsigned int convert_src; | |
64 | unsigned int convert_arg; | |
65 | unsigned int scan_end_src; | |
66 | unsigned int scan_end_arg; | |
67 | unsigned int stop_src; | |
68 | unsigned int stop_arg; | |
0ec14885 | 69 | compat_uptr_t chanlist; /* 32-bit 'unsigned int *' */ |
ed9eccbe | 70 | unsigned int chanlist_len; |
0ec14885 | 71 | compat_uptr_t data; /* 32-bit 'short *' */ |
ed9eccbe | 72 | unsigned int data_len; |
bf8db92e | 73 | }; |
ed9eccbe | 74 | |
bf8db92e | 75 | struct comedi32_insn_struct { |
ed9eccbe DS |
76 | unsigned int insn; |
77 | unsigned int n; | |
0ec14885 | 78 | compat_uptr_t data; /* 32-bit 'unsigned int *' */ |
ed9eccbe DS |
79 | unsigned int subdev; |
80 | unsigned int chanspec; | |
81 | unsigned int unused[3]; | |
bf8db92e | 82 | }; |
ed9eccbe | 83 | |
bf8db92e | 84 | struct comedi32_insnlist_struct { |
ed9eccbe | 85 | unsigned int n_insns; |
0ec14885 | 86 | compat_uptr_t insns; /* 32-bit 'struct comedi_insn *' */ |
bf8db92e | 87 | }; |
ed9eccbe DS |
88 | |
89 | /* Handle translated ioctl. */ | |
90 | static int translated_ioctl(struct file *file, unsigned int cmd, | |
0a85b6f0 | 91 | unsigned long arg) |
ed9eccbe | 92 | { |
a6279bc9 SB |
93 | if (file->f_op->unlocked_ioctl) |
94 | return file->f_op->unlocked_ioctl(file, cmd, arg); | |
95 | ||
ed9eccbe DS |
96 | return -ENOTTY; |
97 | } | |
98 | ||
99 | /* Handle 32-bit COMEDI_CHANINFO ioctl. */ | |
100 | static int compat_chaninfo(struct file *file, unsigned long arg) | |
101 | { | |
01914923 | 102 | struct comedi_chaninfo __user *chaninfo; |
bf8db92e | 103 | struct comedi32_chaninfo_struct __user *chaninfo32; |
ed9eccbe DS |
104 | int err; |
105 | union { | |
106 | unsigned int uint; | |
107 | compat_uptr_t uptr; | |
108 | } temp; | |
109 | ||
110 | chaninfo32 = compat_ptr(arg); | |
111 | chaninfo = compat_alloc_user_space(sizeof(*chaninfo)); | |
112 | ||
113 | /* Copy chaninfo structure. Ignore unused members. */ | |
1d746c69 HS |
114 | if (!access_ok(VERIFY_READ, chaninfo32, sizeof(*chaninfo32)) || |
115 | !access_ok(VERIFY_WRITE, chaninfo, sizeof(*chaninfo))) | |
ed9eccbe | 116 | return -EFAULT; |
1d746c69 | 117 | |
ed9eccbe DS |
118 | err = 0; |
119 | err |= __get_user(temp.uint, &chaninfo32->subdev); | |
120 | err |= __put_user(temp.uint, &chaninfo->subdev); | |
121 | err |= __get_user(temp.uptr, &chaninfo32->maxdata_list); | |
122 | err |= __put_user(compat_ptr(temp.uptr), &chaninfo->maxdata_list); | |
123 | err |= __get_user(temp.uptr, &chaninfo32->flaglist); | |
124 | err |= __put_user(compat_ptr(temp.uptr), &chaninfo->flaglist); | |
125 | err |= __get_user(temp.uptr, &chaninfo32->rangelist); | |
126 | err |= __put_user(compat_ptr(temp.uptr), &chaninfo->rangelist); | |
82675f35 | 127 | if (err) |
ed9eccbe | 128 | return -EFAULT; |
ed9eccbe DS |
129 | |
130 | return translated_ioctl(file, COMEDI_CHANINFO, (unsigned long)chaninfo); | |
131 | } | |
132 | ||
133 | /* Handle 32-bit COMEDI_RANGEINFO ioctl. */ | |
134 | static int compat_rangeinfo(struct file *file, unsigned long arg) | |
135 | { | |
d0a353f6 | 136 | struct comedi_rangeinfo __user *rangeinfo; |
bf8db92e | 137 | struct comedi32_rangeinfo_struct __user *rangeinfo32; |
ed9eccbe DS |
138 | int err; |
139 | union { | |
140 | unsigned int uint; | |
141 | compat_uptr_t uptr; | |
142 | } temp; | |
143 | ||
144 | rangeinfo32 = compat_ptr(arg); | |
145 | rangeinfo = compat_alloc_user_space(sizeof(*rangeinfo)); | |
146 | ||
147 | /* Copy rangeinfo structure. */ | |
1d746c69 HS |
148 | if (!access_ok(VERIFY_READ, rangeinfo32, sizeof(*rangeinfo32)) || |
149 | !access_ok(VERIFY_WRITE, rangeinfo, sizeof(*rangeinfo))) | |
ed9eccbe | 150 | return -EFAULT; |
1d746c69 | 151 | |
ed9eccbe DS |
152 | err = 0; |
153 | err |= __get_user(temp.uint, &rangeinfo32->range_type); | |
154 | err |= __put_user(temp.uint, &rangeinfo->range_type); | |
155 | err |= __get_user(temp.uptr, &rangeinfo32->range_ptr); | |
156 | err |= __put_user(compat_ptr(temp.uptr), &rangeinfo->range_ptr); | |
82675f35 | 157 | if (err) |
ed9eccbe | 158 | return -EFAULT; |
ed9eccbe DS |
159 | |
160 | return translated_ioctl(file, COMEDI_RANGEINFO, | |
0a85b6f0 | 161 | (unsigned long)rangeinfo); |
ed9eccbe DS |
162 | } |
163 | ||
164 | /* Copy 32-bit cmd structure to native cmd structure. */ | |
f3662436 SW |
165 | static int get_compat_cmd(struct comedi_cmd __user *cmd, |
166 | struct comedi32_cmd_struct __user *cmd32) | |
ed9eccbe DS |
167 | { |
168 | int err; | |
169 | union { | |
170 | unsigned int uint; | |
171 | compat_uptr_t uptr; | |
172 | } temp; | |
173 | ||
174 | /* Copy cmd structure. */ | |
1d746c69 HS |
175 | if (!access_ok(VERIFY_READ, cmd32, sizeof(*cmd32)) || |
176 | !access_ok(VERIFY_WRITE, cmd, sizeof(*cmd))) | |
ed9eccbe | 177 | return -EFAULT; |
1d746c69 | 178 | |
ed9eccbe DS |
179 | err = 0; |
180 | err |= __get_user(temp.uint, &cmd32->subdev); | |
181 | err |= __put_user(temp.uint, &cmd->subdev); | |
182 | err |= __get_user(temp.uint, &cmd32->flags); | |
183 | err |= __put_user(temp.uint, &cmd->flags); | |
184 | err |= __get_user(temp.uint, &cmd32->start_src); | |
185 | err |= __put_user(temp.uint, &cmd->start_src); | |
186 | err |= __get_user(temp.uint, &cmd32->start_arg); | |
187 | err |= __put_user(temp.uint, &cmd->start_arg); | |
188 | err |= __get_user(temp.uint, &cmd32->scan_begin_src); | |
189 | err |= __put_user(temp.uint, &cmd->scan_begin_src); | |
190 | err |= __get_user(temp.uint, &cmd32->scan_begin_arg); | |
191 | err |= __put_user(temp.uint, &cmd->scan_begin_arg); | |
192 | err |= __get_user(temp.uint, &cmd32->convert_src); | |
193 | err |= __put_user(temp.uint, &cmd->convert_src); | |
194 | err |= __get_user(temp.uint, &cmd32->convert_arg); | |
195 | err |= __put_user(temp.uint, &cmd->convert_arg); | |
196 | err |= __get_user(temp.uint, &cmd32->scan_end_src); | |
197 | err |= __put_user(temp.uint, &cmd->scan_end_src); | |
198 | err |= __get_user(temp.uint, &cmd32->scan_end_arg); | |
199 | err |= __put_user(temp.uint, &cmd->scan_end_arg); | |
200 | err |= __get_user(temp.uint, &cmd32->stop_src); | |
201 | err |= __put_user(temp.uint, &cmd->stop_src); | |
202 | err |= __get_user(temp.uint, &cmd32->stop_arg); | |
203 | err |= __put_user(temp.uint, &cmd->stop_arg); | |
204 | err |= __get_user(temp.uptr, &cmd32->chanlist); | |
0f73490e GT |
205 | err |= __put_user((unsigned int __force *)compat_ptr(temp.uptr), |
206 | &cmd->chanlist); | |
ed9eccbe DS |
207 | err |= __get_user(temp.uint, &cmd32->chanlist_len); |
208 | err |= __put_user(temp.uint, &cmd->chanlist_len); | |
209 | err |= __get_user(temp.uptr, &cmd32->data); | |
210 | err |= __put_user(compat_ptr(temp.uptr), &cmd->data); | |
211 | err |= __get_user(temp.uint, &cmd32->data_len); | |
212 | err |= __put_user(temp.uint, &cmd->data_len); | |
213 | return err ? -EFAULT : 0; | |
214 | } | |
215 | ||
216 | /* Copy native cmd structure to 32-bit cmd structure. */ | |
f3662436 SW |
217 | static int put_compat_cmd(struct comedi32_cmd_struct __user *cmd32, |
218 | struct comedi_cmd __user *cmd) | |
ed9eccbe DS |
219 | { |
220 | int err; | |
221 | unsigned int temp; | |
222 | ||
79b09aac IA |
223 | /* |
224 | * Copy back most of cmd structure. | |
225 | * | |
226 | * Assume the pointer values are already valid. | |
227 | * (Could use ptr_to_compat() to set them.) | |
228 | */ | |
1d746c69 HS |
229 | if (!access_ok(VERIFY_READ, cmd, sizeof(*cmd)) || |
230 | !access_ok(VERIFY_WRITE, cmd32, sizeof(*cmd32))) | |
ed9eccbe | 231 | return -EFAULT; |
1d746c69 | 232 | |
ed9eccbe DS |
233 | err = 0; |
234 | err |= __get_user(temp, &cmd->subdev); | |
235 | err |= __put_user(temp, &cmd32->subdev); | |
236 | err |= __get_user(temp, &cmd->flags); | |
237 | err |= __put_user(temp, &cmd32->flags); | |
238 | err |= __get_user(temp, &cmd->start_src); | |
239 | err |= __put_user(temp, &cmd32->start_src); | |
240 | err |= __get_user(temp, &cmd->start_arg); | |
241 | err |= __put_user(temp, &cmd32->start_arg); | |
242 | err |= __get_user(temp, &cmd->scan_begin_src); | |
243 | err |= __put_user(temp, &cmd32->scan_begin_src); | |
244 | err |= __get_user(temp, &cmd->scan_begin_arg); | |
245 | err |= __put_user(temp, &cmd32->scan_begin_arg); | |
246 | err |= __get_user(temp, &cmd->convert_src); | |
247 | err |= __put_user(temp, &cmd32->convert_src); | |
248 | err |= __get_user(temp, &cmd->convert_arg); | |
249 | err |= __put_user(temp, &cmd32->convert_arg); | |
250 | err |= __get_user(temp, &cmd->scan_end_src); | |
251 | err |= __put_user(temp, &cmd32->scan_end_src); | |
252 | err |= __get_user(temp, &cmd->scan_end_arg); | |
253 | err |= __put_user(temp, &cmd32->scan_end_arg); | |
254 | err |= __get_user(temp, &cmd->stop_src); | |
255 | err |= __put_user(temp, &cmd32->stop_src); | |
256 | err |= __get_user(temp, &cmd->stop_arg); | |
257 | err |= __put_user(temp, &cmd32->stop_arg); | |
258 | /* Assume chanlist pointer is unchanged. */ | |
259 | err |= __get_user(temp, &cmd->chanlist_len); | |
260 | err |= __put_user(temp, &cmd32->chanlist_len); | |
261 | /* Assume data pointer is unchanged. */ | |
262 | err |= __get_user(temp, &cmd->data_len); | |
263 | err |= __put_user(temp, &cmd32->data_len); | |
264 | return err ? -EFAULT : 0; | |
265 | } | |
266 | ||
267 | /* Handle 32-bit COMEDI_CMD ioctl. */ | |
268 | static int compat_cmd(struct file *file, unsigned long arg) | |
269 | { | |
ea6d0d4c | 270 | struct comedi_cmd __user *cmd; |
bf8db92e | 271 | struct comedi32_cmd_struct __user *cmd32; |
42b8ce6f | 272 | int rc, err; |
ed9eccbe DS |
273 | |
274 | cmd32 = compat_ptr(arg); | |
275 | cmd = compat_alloc_user_space(sizeof(*cmd)); | |
276 | ||
277 | rc = get_compat_cmd(cmd, cmd32); | |
82675f35 | 278 | if (rc) |
ed9eccbe | 279 | return rc; |
ed9eccbe | 280 | |
42b8ce6f IA |
281 | rc = translated_ioctl(file, COMEDI_CMD, (unsigned long)cmd); |
282 | if (rc == -EAGAIN) { | |
283 | /* Special case: copy cmd back to user. */ | |
284 | err = put_compat_cmd(cmd32, cmd); | |
285 | if (err) | |
286 | rc = err; | |
287 | } | |
288 | ||
289 | return rc; | |
ed9eccbe DS |
290 | } |
291 | ||
292 | /* Handle 32-bit COMEDI_CMDTEST ioctl. */ | |
293 | static int compat_cmdtest(struct file *file, unsigned long arg) | |
294 | { | |
ea6d0d4c | 295 | struct comedi_cmd __user *cmd; |
bf8db92e | 296 | struct comedi32_cmd_struct __user *cmd32; |
ed9eccbe DS |
297 | int rc, err; |
298 | ||
299 | cmd32 = compat_ptr(arg); | |
300 | cmd = compat_alloc_user_space(sizeof(*cmd)); | |
301 | ||
302 | rc = get_compat_cmd(cmd, cmd32); | |
82675f35 | 303 | if (rc) |
ed9eccbe | 304 | return rc; |
ed9eccbe DS |
305 | |
306 | rc = translated_ioctl(file, COMEDI_CMDTEST, (unsigned long)cmd); | |
82675f35 | 307 | if (rc < 0) |
ed9eccbe | 308 | return rc; |
ed9eccbe DS |
309 | |
310 | err = put_compat_cmd(cmd32, cmd); | |
82675f35 | 311 | if (err) |
ed9eccbe | 312 | rc = err; |
82675f35 | 313 | |
ed9eccbe DS |
314 | return rc; |
315 | } | |
316 | ||
317 | /* Copy 32-bit insn structure to native insn structure. */ | |
f3662436 SW |
318 | static int get_compat_insn(struct comedi_insn __user *insn, |
319 | struct comedi32_insn_struct __user *insn32) | |
ed9eccbe DS |
320 | { |
321 | int err; | |
322 | union { | |
323 | unsigned int uint; | |
324 | compat_uptr_t uptr; | |
325 | } temp; | |
326 | ||
327 | /* Copy insn structure. Ignore the unused members. */ | |
328 | err = 0; | |
1d746c69 HS |
329 | if (!access_ok(VERIFY_READ, insn32, sizeof(*insn32)) || |
330 | !access_ok(VERIFY_WRITE, insn, sizeof(*insn))) | |
ed9eccbe | 331 | return -EFAULT; |
82675f35 | 332 | |
ed9eccbe DS |
333 | err |= __get_user(temp.uint, &insn32->insn); |
334 | err |= __put_user(temp.uint, &insn->insn); | |
335 | err |= __get_user(temp.uint, &insn32->n); | |
336 | err |= __put_user(temp.uint, &insn->n); | |
337 | err |= __get_user(temp.uptr, &insn32->data); | |
338 | err |= __put_user(compat_ptr(temp.uptr), &insn->data); | |
339 | err |= __get_user(temp.uint, &insn32->subdev); | |
340 | err |= __put_user(temp.uint, &insn->subdev); | |
341 | err |= __get_user(temp.uint, &insn32->chanspec); | |
342 | err |= __put_user(temp.uint, &insn->chanspec); | |
343 | return err ? -EFAULT : 0; | |
344 | } | |
345 | ||
346 | /* Handle 32-bit COMEDI_INSNLIST ioctl. */ | |
347 | static int compat_insnlist(struct file *file, unsigned long arg) | |
348 | { | |
349 | struct combined_insnlist { | |
da613f4f | 350 | struct comedi_insnlist insnlist; |
90035c08 | 351 | struct comedi_insn insn[1]; |
ed9eccbe | 352 | } __user *s; |
bf8db92e BP |
353 | struct comedi32_insnlist_struct __user *insnlist32; |
354 | struct comedi32_insn_struct __user *insn32; | |
ed9eccbe DS |
355 | compat_uptr_t uptr; |
356 | unsigned int n_insns, n; | |
357 | int err, rc; | |
358 | ||
359 | insnlist32 = compat_ptr(arg); | |
360 | ||
361 | /* Get 32-bit insnlist structure. */ | |
f3662436 | 362 | if (!access_ok(VERIFY_READ, insnlist32, sizeof(*insnlist32))) |
ed9eccbe | 363 | return -EFAULT; |
f3662436 | 364 | |
ed9eccbe DS |
365 | err = 0; |
366 | err |= __get_user(n_insns, &insnlist32->n_insns); | |
367 | err |= __get_user(uptr, &insnlist32->insns); | |
368 | insn32 = compat_ptr(uptr); | |
82675f35 | 369 | if (err) |
ed9eccbe | 370 | return -EFAULT; |
ed9eccbe DS |
371 | |
372 | /* Allocate user memory to copy insnlist and insns into. */ | |
373 | s = compat_alloc_user_space(offsetof(struct combined_insnlist, | |
0a85b6f0 | 374 | insn[n_insns])); |
ed9eccbe DS |
375 | |
376 | /* Set native insnlist structure. */ | |
f3662436 | 377 | if (!access_ok(VERIFY_WRITE, &s->insnlist, sizeof(s->insnlist))) |
ed9eccbe | 378 | return -EFAULT; |
f3662436 | 379 | |
ed9eccbe DS |
380 | err |= __put_user(n_insns, &s->insnlist.n_insns); |
381 | err |= __put_user(&s->insn[0], &s->insnlist.insns); | |
82675f35 | 382 | if (err) |
ed9eccbe | 383 | return -EFAULT; |
ed9eccbe DS |
384 | |
385 | /* Copy insn structures. */ | |
386 | for (n = 0; n < n_insns; n++) { | |
387 | rc = get_compat_insn(&s->insn[n], &insn32[n]); | |
82675f35 | 388 | if (rc) |
ed9eccbe | 389 | return rc; |
ed9eccbe DS |
390 | } |
391 | ||
392 | return translated_ioctl(file, COMEDI_INSNLIST, | |
0a85b6f0 | 393 | (unsigned long)&s->insnlist); |
ed9eccbe DS |
394 | } |
395 | ||
396 | /* Handle 32-bit COMEDI_INSN ioctl. */ | |
397 | static int compat_insn(struct file *file, unsigned long arg) | |
398 | { | |
90035c08 | 399 | struct comedi_insn __user *insn; |
bf8db92e | 400 | struct comedi32_insn_struct __user *insn32; |
ed9eccbe DS |
401 | int rc; |
402 | ||
403 | insn32 = compat_ptr(arg); | |
404 | insn = compat_alloc_user_space(sizeof(*insn)); | |
405 | ||
406 | rc = get_compat_insn(insn, insn32); | |
82675f35 | 407 | if (rc) |
ed9eccbe | 408 | return rc; |
ed9eccbe DS |
409 | |
410 | return translated_ioctl(file, COMEDI_INSN, (unsigned long)insn); | |
411 | } | |
412 | ||
79b09aac | 413 | /* |
023e89c0 | 414 | * compat_ioctl file operation. |
79b09aac IA |
415 | * |
416 | * Returns -ENOIOCTLCMD for unrecognised ioctl codes. | |
417 | */ | |
023e89c0 | 418 | long comedi_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) |
ed9eccbe DS |
419 | { |
420 | int rc; | |
421 | ||
422 | switch (cmd) { | |
423 | case COMEDI_DEVCONFIG: | |
424 | case COMEDI_DEVINFO: | |
425 | case COMEDI_SUBDINFO: | |
426 | case COMEDI_BUFCONFIG: | |
427 | case COMEDI_BUFINFO: | |
428 | /* Just need to translate the pointer argument. */ | |
429 | arg = (unsigned long)compat_ptr(arg); | |
430 | rc = translated_ioctl(file, cmd, arg); | |
431 | break; | |
432 | case COMEDI_LOCK: | |
433 | case COMEDI_UNLOCK: | |
434 | case COMEDI_CANCEL: | |
435 | case COMEDI_POLL: | |
c299a678 IA |
436 | case COMEDI_SETRSUBD: |
437 | case COMEDI_SETWSUBD: | |
ed9eccbe DS |
438 | /* No translation needed. */ |
439 | rc = translated_ioctl(file, cmd, arg); | |
440 | break; | |
441 | case COMEDI32_CHANINFO: | |
442 | rc = compat_chaninfo(file, arg); | |
443 | break; | |
444 | case COMEDI32_RANGEINFO: | |
445 | rc = compat_rangeinfo(file, arg); | |
446 | break; | |
447 | case COMEDI32_CMD: | |
448 | rc = compat_cmd(file, arg); | |
449 | break; | |
450 | case COMEDI32_CMDTEST: | |
451 | rc = compat_cmdtest(file, arg); | |
452 | break; | |
453 | case COMEDI32_INSNLIST: | |
454 | rc = compat_insnlist(file, arg); | |
455 | break; | |
456 | case COMEDI32_INSN: | |
457 | rc = compat_insn(file, arg); | |
458 | break; | |
459 | default: | |
460 | rc = -ENOIOCTLCMD; | |
461 | break; | |
462 | } | |
463 | return rc; | |
464 | } |