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Source at commit b05a5adf03613de371c77c3235f7d970d7cd0c71 created 13 years 1 month ago. By Lars-Peter Clausen, NAND: Optimize reading the eec data for the JZ4740 (evil hack) | |
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1 | /* |
2 | * linux/kernel/compat.c |
3 | * |
4 | * Kernel compatibililty routines for e.g. 32 bit syscall support |
5 | * on 64 bit kernels. |
6 | * |
7 | * Copyright (C) 2002-2003 Stephen Rothwell, IBM Corporation |
8 | * |
9 | * This program is free software; you can redistribute it and/or modify |
10 | * it under the terms of the GNU General Public License version 2 as |
11 | * published by the Free Software Foundation. |
12 | */ |
13 | |
14 | #include <linux/linkage.h> |
15 | #include <linux/compat.h> |
16 | #include <linux/errno.h> |
17 | #include <linux/time.h> |
18 | #include <linux/signal.h> |
19 | #include <linux/sched.h> /* for MAX_SCHEDULE_TIMEOUT */ |
20 | #include <linux/syscalls.h> |
21 | #include <linux/unistd.h> |
22 | #include <linux/security.h> |
23 | #include <linux/timex.h> |
24 | #include <linux/migrate.h> |
25 | #include <linux/posix-timers.h> |
26 | #include <linux/times.h> |
27 | #include <linux/ptrace.h> |
28 | #include <linux/gfp.h> |
29 | |
30 | #include <asm/uaccess.h> |
31 | |
32 | /* |
33 | * Note that the native side is already converted to a timespec, because |
34 | * that's what we want anyway. |
35 | */ |
36 | static int compat_get_timeval(struct timespec *o, |
37 | struct compat_timeval __user *i) |
38 | { |
39 | long usec; |
40 | |
41 | if (get_user(o->tv_sec, &i->tv_sec) || |
42 | get_user(usec, &i->tv_usec)) |
43 | return -EFAULT; |
44 | o->tv_nsec = usec * 1000; |
45 | return 0; |
46 | } |
47 | |
48 | static int compat_put_timeval(struct compat_timeval __user *o, |
49 | struct timeval *i) |
50 | { |
51 | return (put_user(i->tv_sec, &o->tv_sec) || |
52 | put_user(i->tv_usec, &o->tv_usec)) ? -EFAULT : 0; |
53 | } |
54 | |
55 | static int compat_get_timex(struct timex *txc, struct compat_timex __user *utp) |
56 | { |
57 | memset(txc, 0, sizeof(struct timex)); |
58 | |
59 | if (!access_ok(VERIFY_READ, utp, sizeof(struct compat_timex)) || |
60 | __get_user(txc->modes, &utp->modes) || |
61 | __get_user(txc->offset, &utp->offset) || |
62 | __get_user(txc->freq, &utp->freq) || |
63 | __get_user(txc->maxerror, &utp->maxerror) || |
64 | __get_user(txc->esterror, &utp->esterror) || |
65 | __get_user(txc->status, &utp->status) || |
66 | __get_user(txc->constant, &utp->constant) || |
67 | __get_user(txc->precision, &utp->precision) || |
68 | __get_user(txc->tolerance, &utp->tolerance) || |
69 | __get_user(txc->time.tv_sec, &utp->time.tv_sec) || |
70 | __get_user(txc->time.tv_usec, &utp->time.tv_usec) || |
71 | __get_user(txc->tick, &utp->tick) || |
72 | __get_user(txc->ppsfreq, &utp->ppsfreq) || |
73 | __get_user(txc->jitter, &utp->jitter) || |
74 | __get_user(txc->shift, &utp->shift) || |
75 | __get_user(txc->stabil, &utp->stabil) || |
76 | __get_user(txc->jitcnt, &utp->jitcnt) || |
77 | __get_user(txc->calcnt, &utp->calcnt) || |
78 | __get_user(txc->errcnt, &utp->errcnt) || |
79 | __get_user(txc->stbcnt, &utp->stbcnt)) |
80 | return -EFAULT; |
81 | |
82 | return 0; |
83 | } |
84 | |
85 | static int compat_put_timex(struct compat_timex __user *utp, struct timex *txc) |
86 | { |
87 | if (!access_ok(VERIFY_WRITE, utp, sizeof(struct compat_timex)) || |
88 | __put_user(txc->modes, &utp->modes) || |
89 | __put_user(txc->offset, &utp->offset) || |
90 | __put_user(txc->freq, &utp->freq) || |
91 | __put_user(txc->maxerror, &utp->maxerror) || |
92 | __put_user(txc->esterror, &utp->esterror) || |
93 | __put_user(txc->status, &utp->status) || |
94 | __put_user(txc->constant, &utp->constant) || |
95 | __put_user(txc->precision, &utp->precision) || |
96 | __put_user(txc->tolerance, &utp->tolerance) || |
97 | __put_user(txc->time.tv_sec, &utp->time.tv_sec) || |
98 | __put_user(txc->time.tv_usec, &utp->time.tv_usec) || |
99 | __put_user(txc->tick, &utp->tick) || |
100 | __put_user(txc->ppsfreq, &utp->ppsfreq) || |
101 | __put_user(txc->jitter, &utp->jitter) || |
102 | __put_user(txc->shift, &utp->shift) || |
103 | __put_user(txc->stabil, &utp->stabil) || |
104 | __put_user(txc->jitcnt, &utp->jitcnt) || |
105 | __put_user(txc->calcnt, &utp->calcnt) || |
106 | __put_user(txc->errcnt, &utp->errcnt) || |
107 | __put_user(txc->stbcnt, &utp->stbcnt) || |
108 | __put_user(txc->tai, &utp->tai)) |
109 | return -EFAULT; |
110 | return 0; |
111 | } |
112 | |
113 | asmlinkage long compat_sys_gettimeofday(struct compat_timeval __user *tv, |
114 | struct timezone __user *tz) |
115 | { |
116 | if (tv) { |
117 | struct timeval ktv; |
118 | do_gettimeofday(&ktv); |
119 | if (compat_put_timeval(tv, &ktv)) |
120 | return -EFAULT; |
121 | } |
122 | if (tz) { |
123 | if (copy_to_user(tz, &sys_tz, sizeof(sys_tz))) |
124 | return -EFAULT; |
125 | } |
126 | |
127 | return 0; |
128 | } |
129 | |
130 | asmlinkage long compat_sys_settimeofday(struct compat_timeval __user *tv, |
131 | struct timezone __user *tz) |
132 | { |
133 | struct timespec kts; |
134 | struct timezone ktz; |
135 | |
136 | if (tv) { |
137 | if (compat_get_timeval(&kts, tv)) |
138 | return -EFAULT; |
139 | } |
140 | if (tz) { |
141 | if (copy_from_user(&ktz, tz, sizeof(ktz))) |
142 | return -EFAULT; |
143 | } |
144 | |
145 | return do_sys_settimeofday(tv ? &kts : NULL, tz ? &ktz : NULL); |
146 | } |
147 | |
148 | int get_compat_timespec(struct timespec *ts, const struct compat_timespec __user *cts) |
149 | { |
150 | return (!access_ok(VERIFY_READ, cts, sizeof(*cts)) || |
151 | __get_user(ts->tv_sec, &cts->tv_sec) || |
152 | __get_user(ts->tv_nsec, &cts->tv_nsec)) ? -EFAULT : 0; |
153 | } |
154 | |
155 | int put_compat_timespec(const struct timespec *ts, struct compat_timespec __user *cts) |
156 | { |
157 | return (!access_ok(VERIFY_WRITE, cts, sizeof(*cts)) || |
158 | __put_user(ts->tv_sec, &cts->tv_sec) || |
159 | __put_user(ts->tv_nsec, &cts->tv_nsec)) ? -EFAULT : 0; |
160 | } |
161 | |
162 | static long compat_nanosleep_restart(struct restart_block *restart) |
163 | { |
164 | struct compat_timespec __user *rmtp; |
165 | struct timespec rmt; |
166 | mm_segment_t oldfs; |
167 | long ret; |
168 | |
169 | restart->nanosleep.rmtp = (struct timespec __user *) &rmt; |
170 | oldfs = get_fs(); |
171 | set_fs(KERNEL_DS); |
172 | ret = hrtimer_nanosleep_restart(restart); |
173 | set_fs(oldfs); |
174 | |
175 | if (ret) { |
176 | rmtp = restart->nanosleep.compat_rmtp; |
177 | |
178 | if (rmtp && put_compat_timespec(&rmt, rmtp)) |
179 | return -EFAULT; |
180 | } |
181 | |
182 | return ret; |
183 | } |
184 | |
185 | asmlinkage long compat_sys_nanosleep(struct compat_timespec __user *rqtp, |
186 | struct compat_timespec __user *rmtp) |
187 | { |
188 | struct timespec tu, rmt; |
189 | mm_segment_t oldfs; |
190 | long ret; |
191 | |
192 | if (get_compat_timespec(&tu, rqtp)) |
193 | return -EFAULT; |
194 | |
195 | if (!timespec_valid(&tu)) |
196 | return -EINVAL; |
197 | |
198 | oldfs = get_fs(); |
199 | set_fs(KERNEL_DS); |
200 | ret = hrtimer_nanosleep(&tu, |
201 | rmtp ? (struct timespec __user *)&rmt : NULL, |
202 | HRTIMER_MODE_REL, CLOCK_MONOTONIC); |
203 | set_fs(oldfs); |
204 | |
205 | if (ret) { |
206 | struct restart_block *restart |
207 | = ¤t_thread_info()->restart_block; |
208 | |
209 | restart->fn = compat_nanosleep_restart; |
210 | restart->nanosleep.compat_rmtp = rmtp; |
211 | |
212 | if (rmtp && put_compat_timespec(&rmt, rmtp)) |
213 | return -EFAULT; |
214 | } |
215 | |
216 | return ret; |
217 | } |
218 | |
219 | static inline long get_compat_itimerval(struct itimerval *o, |
220 | struct compat_itimerval __user *i) |
221 | { |
222 | return (!access_ok(VERIFY_READ, i, sizeof(*i)) || |
223 | (__get_user(o->it_interval.tv_sec, &i->it_interval.tv_sec) | |
224 | __get_user(o->it_interval.tv_usec, &i->it_interval.tv_usec) | |
225 | __get_user(o->it_value.tv_sec, &i->it_value.tv_sec) | |
226 | __get_user(o->it_value.tv_usec, &i->it_value.tv_usec))); |
227 | } |
228 | |
229 | static inline long put_compat_itimerval(struct compat_itimerval __user *o, |
230 | struct itimerval *i) |
231 | { |
232 | return (!access_ok(VERIFY_WRITE, o, sizeof(*o)) || |
233 | (__put_user(i->it_interval.tv_sec, &o->it_interval.tv_sec) | |
234 | __put_user(i->it_interval.tv_usec, &o->it_interval.tv_usec) | |
235 | __put_user(i->it_value.tv_sec, &o->it_value.tv_sec) | |
236 | __put_user(i->it_value.tv_usec, &o->it_value.tv_usec))); |
237 | } |
238 | |
239 | asmlinkage long compat_sys_getitimer(int which, |
240 | struct compat_itimerval __user *it) |
241 | { |
242 | struct itimerval kit; |
243 | int error; |
244 | |
245 | error = do_getitimer(which, &kit); |
246 | if (!error && put_compat_itimerval(it, &kit)) |
247 | error = -EFAULT; |
248 | return error; |
249 | } |
250 | |
251 | asmlinkage long compat_sys_setitimer(int which, |
252 | struct compat_itimerval __user *in, |
253 | struct compat_itimerval __user *out) |
254 | { |
255 | struct itimerval kin, kout; |
256 | int error; |
257 | |
258 | if (in) { |
259 | if (get_compat_itimerval(&kin, in)) |
260 | return -EFAULT; |
261 | } else |
262 | memset(&kin, 0, sizeof(kin)); |
263 | |
264 | error = do_setitimer(which, &kin, out ? &kout : NULL); |
265 | if (error || !out) |
266 | return error; |
267 | if (put_compat_itimerval(out, &kout)) |
268 | return -EFAULT; |
269 | return 0; |
270 | } |
271 | |
272 | static compat_clock_t clock_t_to_compat_clock_t(clock_t x) |
273 | { |
274 | return compat_jiffies_to_clock_t(clock_t_to_jiffies(x)); |
275 | } |
276 | |
277 | asmlinkage long compat_sys_times(struct compat_tms __user *tbuf) |
278 | { |
279 | if (tbuf) { |
280 | struct tms tms; |
281 | struct compat_tms tmp; |
282 | |
283 | do_sys_times(&tms); |
284 | /* Convert our struct tms to the compat version. */ |
285 | tmp.tms_utime = clock_t_to_compat_clock_t(tms.tms_utime); |
286 | tmp.tms_stime = clock_t_to_compat_clock_t(tms.tms_stime); |
287 | tmp.tms_cutime = clock_t_to_compat_clock_t(tms.tms_cutime); |
288 | tmp.tms_cstime = clock_t_to_compat_clock_t(tms.tms_cstime); |
289 | if (copy_to_user(tbuf, &tmp, sizeof(tmp))) |
290 | return -EFAULT; |
291 | } |
292 | force_successful_syscall_return(); |
293 | return compat_jiffies_to_clock_t(jiffies); |
294 | } |
295 | |
296 | /* |
297 | * Assumption: old_sigset_t and compat_old_sigset_t are both |
298 | * types that can be passed to put_user()/get_user(). |
299 | */ |
300 | |
301 | asmlinkage long compat_sys_sigpending(compat_old_sigset_t __user *set) |
302 | { |
303 | old_sigset_t s; |
304 | long ret; |
305 | mm_segment_t old_fs = get_fs(); |
306 | |
307 | set_fs(KERNEL_DS); |
308 | ret = sys_sigpending((old_sigset_t __user *) &s); |
309 | set_fs(old_fs); |
310 | if (ret == 0) |
311 | ret = put_user(s, set); |
312 | return ret; |
313 | } |
314 | |
315 | asmlinkage long compat_sys_sigprocmask(int how, compat_old_sigset_t __user *set, |
316 | compat_old_sigset_t __user *oset) |
317 | { |
318 | old_sigset_t s; |
319 | long ret; |
320 | mm_segment_t old_fs; |
321 | |
322 | if (set && get_user(s, set)) |
323 | return -EFAULT; |
324 | old_fs = get_fs(); |
325 | set_fs(KERNEL_DS); |
326 | ret = sys_sigprocmask(how, |
327 | set ? (old_sigset_t __user *) &s : NULL, |
328 | oset ? (old_sigset_t __user *) &s : NULL); |
329 | set_fs(old_fs); |
330 | if (ret == 0) |
331 | if (oset) |
332 | ret = put_user(s, oset); |
333 | return ret; |
334 | } |
335 | |
336 | asmlinkage long compat_sys_setrlimit(unsigned int resource, |
337 | struct compat_rlimit __user *rlim) |
338 | { |
339 | struct rlimit r; |
340 | |
341 | if (!access_ok(VERIFY_READ, rlim, sizeof(*rlim)) || |
342 | __get_user(r.rlim_cur, &rlim->rlim_cur) || |
343 | __get_user(r.rlim_max, &rlim->rlim_max)) |
344 | return -EFAULT; |
345 | |
346 | if (r.rlim_cur == COMPAT_RLIM_INFINITY) |
347 | r.rlim_cur = RLIM_INFINITY; |
348 | if (r.rlim_max == COMPAT_RLIM_INFINITY) |
349 | r.rlim_max = RLIM_INFINITY; |
350 | return do_prlimit(current, resource, &r, NULL); |
351 | } |
352 | |
353 | #ifdef COMPAT_RLIM_OLD_INFINITY |
354 | |
355 | asmlinkage long compat_sys_old_getrlimit(unsigned int resource, |
356 | struct compat_rlimit __user *rlim) |
357 | { |
358 | struct rlimit r; |
359 | int ret; |
360 | mm_segment_t old_fs = get_fs(); |
361 | |
362 | set_fs(KERNEL_DS); |
363 | ret = sys_old_getrlimit(resource, &r); |
364 | set_fs(old_fs); |
365 | |
366 | if (!ret) { |
367 | if (r.rlim_cur > COMPAT_RLIM_OLD_INFINITY) |
368 | r.rlim_cur = COMPAT_RLIM_INFINITY; |
369 | if (r.rlim_max > COMPAT_RLIM_OLD_INFINITY) |
370 | r.rlim_max = COMPAT_RLIM_INFINITY; |
371 | |
372 | if (!access_ok(VERIFY_WRITE, rlim, sizeof(*rlim)) || |
373 | __put_user(r.rlim_cur, &rlim->rlim_cur) || |
374 | __put_user(r.rlim_max, &rlim->rlim_max)) |
375 | return -EFAULT; |
376 | } |
377 | return ret; |
378 | } |
379 | |
380 | #endif |
381 | |
382 | asmlinkage long compat_sys_getrlimit(unsigned int resource, |
383 | struct compat_rlimit __user *rlim) |
384 | { |
385 | struct rlimit r; |
386 | int ret; |
387 | |
388 | ret = do_prlimit(current, resource, NULL, &r); |
389 | if (!ret) { |
390 | if (r.rlim_cur > COMPAT_RLIM_INFINITY) |
391 | r.rlim_cur = COMPAT_RLIM_INFINITY; |
392 | if (r.rlim_max > COMPAT_RLIM_INFINITY) |
393 | r.rlim_max = COMPAT_RLIM_INFINITY; |
394 | |
395 | if (!access_ok(VERIFY_WRITE, rlim, sizeof(*rlim)) || |
396 | __put_user(r.rlim_cur, &rlim->rlim_cur) || |
397 | __put_user(r.rlim_max, &rlim->rlim_max)) |
398 | return -EFAULT; |
399 | } |
400 | return ret; |
401 | } |
402 | |
403 | int put_compat_rusage(const struct rusage *r, struct compat_rusage __user *ru) |
404 | { |
405 | if (!access_ok(VERIFY_WRITE, ru, sizeof(*ru)) || |
406 | __put_user(r->ru_utime.tv_sec, &ru->ru_utime.tv_sec) || |
407 | __put_user(r->ru_utime.tv_usec, &ru->ru_utime.tv_usec) || |
408 | __put_user(r->ru_stime.tv_sec, &ru->ru_stime.tv_sec) || |
409 | __put_user(r->ru_stime.tv_usec, &ru->ru_stime.tv_usec) || |
410 | __put_user(r->ru_maxrss, &ru->ru_maxrss) || |
411 | __put_user(r->ru_ixrss, &ru->ru_ixrss) || |
412 | __put_user(r->ru_idrss, &ru->ru_idrss) || |
413 | __put_user(r->ru_isrss, &ru->ru_isrss) || |
414 | __put_user(r->ru_minflt, &ru->ru_minflt) || |
415 | __put_user(r->ru_majflt, &ru->ru_majflt) || |
416 | __put_user(r->ru_nswap, &ru->ru_nswap) || |
417 | __put_user(r->ru_inblock, &ru->ru_inblock) || |
418 | __put_user(r->ru_oublock, &ru->ru_oublock) || |
419 | __put_user(r->ru_msgsnd, &ru->ru_msgsnd) || |
420 | __put_user(r->ru_msgrcv, &ru->ru_msgrcv) || |
421 | __put_user(r->ru_nsignals, &ru->ru_nsignals) || |
422 | __put_user(r->ru_nvcsw, &ru->ru_nvcsw) || |
423 | __put_user(r->ru_nivcsw, &ru->ru_nivcsw)) |
424 | return -EFAULT; |
425 | return 0; |
426 | } |
427 | |
428 | asmlinkage long compat_sys_getrusage(int who, struct compat_rusage __user *ru) |
429 | { |
430 | struct rusage r; |
431 | int ret; |
432 | mm_segment_t old_fs = get_fs(); |
433 | |
434 | set_fs(KERNEL_DS); |
435 | ret = sys_getrusage(who, (struct rusage __user *) &r); |
436 | set_fs(old_fs); |
437 | |
438 | if (ret) |
439 | return ret; |
440 | |
441 | if (put_compat_rusage(&r, ru)) |
442 | return -EFAULT; |
443 | |
444 | return 0; |
445 | } |
446 | |
447 | asmlinkage long |
448 | compat_sys_wait4(compat_pid_t pid, compat_uint_t __user *stat_addr, int options, |
449 | struct compat_rusage __user *ru) |
450 | { |
451 | if (!ru) { |
452 | return sys_wait4(pid, stat_addr, options, NULL); |
453 | } else { |
454 | struct rusage r; |
455 | int ret; |
456 | unsigned int status; |
457 | mm_segment_t old_fs = get_fs(); |
458 | |
459 | set_fs (KERNEL_DS); |
460 | ret = sys_wait4(pid, |
461 | (stat_addr ? |
462 | (unsigned int __user *) &status : NULL), |
463 | options, (struct rusage __user *) &r); |
464 | set_fs (old_fs); |
465 | |
466 | if (ret > 0) { |
467 | if (put_compat_rusage(&r, ru)) |
468 | return -EFAULT; |
469 | if (stat_addr && put_user(status, stat_addr)) |
470 | return -EFAULT; |
471 | } |
472 | return ret; |
473 | } |
474 | } |
475 | |
476 | asmlinkage long compat_sys_waitid(int which, compat_pid_t pid, |
477 | struct compat_siginfo __user *uinfo, int options, |
478 | struct compat_rusage __user *uru) |
479 | { |
480 | siginfo_t info; |
481 | struct rusage ru; |
482 | long ret; |
483 | mm_segment_t old_fs = get_fs(); |
484 | |
485 | memset(&info, 0, sizeof(info)); |
486 | |
487 | set_fs(KERNEL_DS); |
488 | ret = sys_waitid(which, pid, (siginfo_t __user *)&info, options, |
489 | uru ? (struct rusage __user *)&ru : NULL); |
490 | set_fs(old_fs); |
491 | |
492 | if ((ret < 0) || (info.si_signo == 0)) |
493 | return ret; |
494 | |
495 | if (uru) { |
496 | ret = put_compat_rusage(&ru, uru); |
497 | if (ret) |
498 | return ret; |
499 | } |
500 | |
501 | BUG_ON(info.si_code & __SI_MASK); |
502 | info.si_code |= __SI_CHLD; |
503 | return copy_siginfo_to_user32(uinfo, &info); |
504 | } |
505 | |
506 | static int compat_get_user_cpu_mask(compat_ulong_t __user *user_mask_ptr, |
507 | unsigned len, struct cpumask *new_mask) |
508 | { |
509 | unsigned long *k; |
510 | |
511 | if (len < cpumask_size()) |
512 | memset(new_mask, 0, cpumask_size()); |
513 | else if (len > cpumask_size()) |
514 | len = cpumask_size(); |
515 | |
516 | k = cpumask_bits(new_mask); |
517 | return compat_get_bitmap(k, user_mask_ptr, len * 8); |
518 | } |
519 | |
520 | asmlinkage long compat_sys_sched_setaffinity(compat_pid_t pid, |
521 | unsigned int len, |
522 | compat_ulong_t __user *user_mask_ptr) |
523 | { |
524 | cpumask_var_t new_mask; |
525 | int retval; |
526 | |
527 | if (!alloc_cpumask_var(&new_mask, GFP_KERNEL)) |
528 | return -ENOMEM; |
529 | |
530 | retval = compat_get_user_cpu_mask(user_mask_ptr, len, new_mask); |
531 | if (retval) |
532 | goto out; |
533 | |
534 | retval = sched_setaffinity(pid, new_mask); |
535 | out: |
536 | free_cpumask_var(new_mask); |
537 | return retval; |
538 | } |
539 | |
540 | asmlinkage long compat_sys_sched_getaffinity(compat_pid_t pid, unsigned int len, |
541 | compat_ulong_t __user *user_mask_ptr) |
542 | { |
543 | int ret; |
544 | cpumask_var_t mask; |
545 | |
546 | if ((len * BITS_PER_BYTE) < nr_cpu_ids) |
547 | return -EINVAL; |
548 | if (len & (sizeof(compat_ulong_t)-1)) |
549 | return -EINVAL; |
550 | |
551 | if (!alloc_cpumask_var(&mask, GFP_KERNEL)) |
552 | return -ENOMEM; |
553 | |
554 | ret = sched_getaffinity(pid, mask); |
555 | if (ret == 0) { |
556 | size_t retlen = min_t(size_t, len, cpumask_size()); |
557 | |
558 | if (compat_put_bitmap(user_mask_ptr, cpumask_bits(mask), retlen * 8)) |
559 | ret = -EFAULT; |
560 | else |
561 | ret = retlen; |
562 | } |
563 | free_cpumask_var(mask); |
564 | |
565 | return ret; |
566 | } |
567 | |
568 | int get_compat_itimerspec(struct itimerspec *dst, |
569 | const struct compat_itimerspec __user *src) |
570 | { |
571 | if (get_compat_timespec(&dst->it_interval, &src->it_interval) || |
572 | get_compat_timespec(&dst->it_value, &src->it_value)) |
573 | return -EFAULT; |
574 | return 0; |
575 | } |
576 | |
577 | int put_compat_itimerspec(struct compat_itimerspec __user *dst, |
578 | const struct itimerspec *src) |
579 | { |
580 | if (put_compat_timespec(&src->it_interval, &dst->it_interval) || |
581 | put_compat_timespec(&src->it_value, &dst->it_value)) |
582 | return -EFAULT; |
583 | return 0; |
584 | } |
585 | |
586 | long compat_sys_timer_create(clockid_t which_clock, |
587 | struct compat_sigevent __user *timer_event_spec, |
588 | timer_t __user *created_timer_id) |
589 | { |
590 | struct sigevent __user *event = NULL; |
591 | |
592 | if (timer_event_spec) { |
593 | struct sigevent kevent; |
594 | |
595 | event = compat_alloc_user_space(sizeof(*event)); |
596 | if (get_compat_sigevent(&kevent, timer_event_spec) || |
597 | copy_to_user(event, &kevent, sizeof(*event))) |
598 | return -EFAULT; |
599 | } |
600 | |
601 | return sys_timer_create(which_clock, event, created_timer_id); |
602 | } |
603 | |
604 | long compat_sys_timer_settime(timer_t timer_id, int flags, |
605 | struct compat_itimerspec __user *new, |
606 | struct compat_itimerspec __user *old) |
607 | { |
608 | long err; |
609 | mm_segment_t oldfs; |
610 | struct itimerspec newts, oldts; |
611 | |
612 | if (!new) |
613 | return -EINVAL; |
614 | if (get_compat_itimerspec(&newts, new)) |
615 | return -EFAULT; |
616 | oldfs = get_fs(); |
617 | set_fs(KERNEL_DS); |
618 | err = sys_timer_settime(timer_id, flags, |
619 | (struct itimerspec __user *) &newts, |
620 | (struct itimerspec __user *) &oldts); |
621 | set_fs(oldfs); |
622 | if (!err && old && put_compat_itimerspec(old, &oldts)) |
623 | return -EFAULT; |
624 | return err; |
625 | } |
626 | |
627 | long compat_sys_timer_gettime(timer_t timer_id, |
628 | struct compat_itimerspec __user *setting) |
629 | { |
630 | long err; |
631 | mm_segment_t oldfs; |
632 | struct itimerspec ts; |
633 | |
634 | oldfs = get_fs(); |
635 | set_fs(KERNEL_DS); |
636 | err = sys_timer_gettime(timer_id, |
637 | (struct itimerspec __user *) &ts); |
638 | set_fs(oldfs); |
639 | if (!err && put_compat_itimerspec(setting, &ts)) |
640 | return -EFAULT; |
641 | return err; |
642 | } |
643 | |
644 | long compat_sys_clock_settime(clockid_t which_clock, |
645 | struct compat_timespec __user *tp) |
646 | { |
647 | long err; |
648 | mm_segment_t oldfs; |
649 | struct timespec ts; |
650 | |
651 | if (get_compat_timespec(&ts, tp)) |
652 | return -EFAULT; |
653 | oldfs = get_fs(); |
654 | set_fs(KERNEL_DS); |
655 | err = sys_clock_settime(which_clock, |
656 | (struct timespec __user *) &ts); |
657 | set_fs(oldfs); |
658 | return err; |
659 | } |
660 | |
661 | long compat_sys_clock_gettime(clockid_t which_clock, |
662 | struct compat_timespec __user *tp) |
663 | { |
664 | long err; |
665 | mm_segment_t oldfs; |
666 | struct timespec ts; |
667 | |
668 | oldfs = get_fs(); |
669 | set_fs(KERNEL_DS); |
670 | err = sys_clock_gettime(which_clock, |
671 | (struct timespec __user *) &ts); |
672 | set_fs(oldfs); |
673 | if (!err && put_compat_timespec(&ts, tp)) |
674 | return -EFAULT; |
675 | return err; |
676 | } |
677 | |
678 | long compat_sys_clock_adjtime(clockid_t which_clock, |
679 | struct compat_timex __user *utp) |
680 | { |
681 | struct timex txc; |
682 | mm_segment_t oldfs; |
683 | int err, ret; |
684 | |
685 | err = compat_get_timex(&txc, utp); |
686 | if (err) |
687 | return err; |
688 | |
689 | oldfs = get_fs(); |
690 | set_fs(KERNEL_DS); |
691 | ret = sys_clock_adjtime(which_clock, (struct timex __user *) &txc); |
692 | set_fs(oldfs); |
693 | |
694 | err = compat_put_timex(utp, &txc); |
695 | if (err) |
696 | return err; |
697 | |
698 | return ret; |
699 | } |
700 | |
701 | long compat_sys_clock_getres(clockid_t which_clock, |
702 | struct compat_timespec __user *tp) |
703 | { |
704 | long err; |
705 | mm_segment_t oldfs; |
706 | struct timespec ts; |
707 | |
708 | oldfs = get_fs(); |
709 | set_fs(KERNEL_DS); |
710 | err = sys_clock_getres(which_clock, |
711 | (struct timespec __user *) &ts); |
712 | set_fs(oldfs); |
713 | if (!err && tp && put_compat_timespec(&ts, tp)) |
714 | return -EFAULT; |
715 | return err; |
716 | } |
717 | |
718 | static long compat_clock_nanosleep_restart(struct restart_block *restart) |
719 | { |
720 | long err; |
721 | mm_segment_t oldfs; |
722 | struct timespec tu; |
723 | struct compat_timespec *rmtp = restart->nanosleep.compat_rmtp; |
724 | |
725 | restart->nanosleep.rmtp = (struct timespec __user *) &tu; |
726 | oldfs = get_fs(); |
727 | set_fs(KERNEL_DS); |
728 | err = clock_nanosleep_restart(restart); |
729 | set_fs(oldfs); |
730 | |
731 | if ((err == -ERESTART_RESTARTBLOCK) && rmtp && |
732 | put_compat_timespec(&tu, rmtp)) |
733 | return -EFAULT; |
734 | |
735 | if (err == -ERESTART_RESTARTBLOCK) { |
736 | restart->fn = compat_clock_nanosleep_restart; |
737 | restart->nanosleep.compat_rmtp = rmtp; |
738 | } |
739 | return err; |
740 | } |
741 | |
742 | long compat_sys_clock_nanosleep(clockid_t which_clock, int flags, |
743 | struct compat_timespec __user *rqtp, |
744 | struct compat_timespec __user *rmtp) |
745 | { |
746 | long err; |
747 | mm_segment_t oldfs; |
748 | struct timespec in, out; |
749 | struct restart_block *restart; |
750 | |
751 | if (get_compat_timespec(&in, rqtp)) |
752 | return -EFAULT; |
753 | |
754 | oldfs = get_fs(); |
755 | set_fs(KERNEL_DS); |
756 | err = sys_clock_nanosleep(which_clock, flags, |
757 | (struct timespec __user *) &in, |
758 | (struct timespec __user *) &out); |
759 | set_fs(oldfs); |
760 | |
761 | if ((err == -ERESTART_RESTARTBLOCK) && rmtp && |
762 | put_compat_timespec(&out, rmtp)) |
763 | return -EFAULT; |
764 | |
765 | if (err == -ERESTART_RESTARTBLOCK) { |
766 | restart = ¤t_thread_info()->restart_block; |
767 | restart->fn = compat_clock_nanosleep_restart; |
768 | restart->nanosleep.compat_rmtp = rmtp; |
769 | } |
770 | return err; |
771 | } |
772 | |
773 | /* |
774 | * We currently only need the following fields from the sigevent |
775 | * structure: sigev_value, sigev_signo, sig_notify and (sometimes |
776 | * sigev_notify_thread_id). The others are handled in user mode. |
777 | * We also assume that copying sigev_value.sival_int is sufficient |
778 | * to keep all the bits of sigev_value.sival_ptr intact. |
779 | */ |
780 | int get_compat_sigevent(struct sigevent *event, |
781 | const struct compat_sigevent __user *u_event) |
782 | { |
783 | memset(event, 0, sizeof(*event)); |
784 | return (!access_ok(VERIFY_READ, u_event, sizeof(*u_event)) || |
785 | __get_user(event->sigev_value.sival_int, |
786 | &u_event->sigev_value.sival_int) || |
787 | __get_user(event->sigev_signo, &u_event->sigev_signo) || |
788 | __get_user(event->sigev_notify, &u_event->sigev_notify) || |
789 | __get_user(event->sigev_notify_thread_id, |
790 | &u_event->sigev_notify_thread_id)) |
791 | ? -EFAULT : 0; |
792 | } |
793 | |
794 | long compat_get_bitmap(unsigned long *mask, const compat_ulong_t __user *umask, |
795 | unsigned long bitmap_size) |
796 | { |
797 | int i, j; |
798 | unsigned long m; |
799 | compat_ulong_t um; |
800 | unsigned long nr_compat_longs; |
801 | |
802 | /* align bitmap up to nearest compat_long_t boundary */ |
803 | bitmap_size = ALIGN(bitmap_size, BITS_PER_COMPAT_LONG); |
804 | |
805 | if (!access_ok(VERIFY_READ, umask, bitmap_size / 8)) |
806 | return -EFAULT; |
807 | |
808 | nr_compat_longs = BITS_TO_COMPAT_LONGS(bitmap_size); |
809 | |
810 | for (i = 0; i < BITS_TO_LONGS(bitmap_size); i++) { |
811 | m = 0; |
812 | |
813 | for (j = 0; j < sizeof(m)/sizeof(um); j++) { |
814 | /* |
815 | * We dont want to read past the end of the userspace |
816 | * bitmap. We must however ensure the end of the |
817 | * kernel bitmap is zeroed. |
818 | */ |
819 | if (nr_compat_longs-- > 0) { |
820 | if (__get_user(um, umask)) |
821 | return -EFAULT; |
822 | } else { |
823 | um = 0; |
824 | } |
825 | |
826 | umask++; |
827 | m |= (long)um << (j * BITS_PER_COMPAT_LONG); |
828 | } |
829 | *mask++ = m; |
830 | } |
831 | |
832 | return 0; |
833 | } |
834 | |
835 | long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask, |
836 | unsigned long bitmap_size) |
837 | { |
838 | int i, j; |
839 | unsigned long m; |
840 | compat_ulong_t um; |
841 | unsigned long nr_compat_longs; |
842 | |
843 | /* align bitmap up to nearest compat_long_t boundary */ |
844 | bitmap_size = ALIGN(bitmap_size, BITS_PER_COMPAT_LONG); |
845 | |
846 | if (!access_ok(VERIFY_WRITE, umask, bitmap_size / 8)) |
847 | return -EFAULT; |
848 | |
849 | nr_compat_longs = BITS_TO_COMPAT_LONGS(bitmap_size); |
850 | |
851 | for (i = 0; i < BITS_TO_LONGS(bitmap_size); i++) { |
852 | m = *mask++; |
853 | |
854 | for (j = 0; j < sizeof(m)/sizeof(um); j++) { |
855 | um = m; |
856 | |
857 | /* |
858 | * We dont want to write past the end of the userspace |
859 | * bitmap. |
860 | */ |
861 | if (nr_compat_longs-- > 0) { |
862 | if (__put_user(um, umask)) |
863 | return -EFAULT; |
864 | } |
865 | |
866 | umask++; |
867 | m >>= 4*sizeof(um); |
868 | m >>= 4*sizeof(um); |
869 | } |
870 | } |
871 | |
872 | return 0; |
873 | } |
874 | |
875 | void |
876 | sigset_from_compat (sigset_t *set, compat_sigset_t *compat) |
877 | { |
878 | switch (_NSIG_WORDS) { |
879 | case 4: set->sig[3] = compat->sig[6] | (((long)compat->sig[7]) << 32 ); |
880 | case 3: set->sig[2] = compat->sig[4] | (((long)compat->sig[5]) << 32 ); |
881 | case 2: set->sig[1] = compat->sig[2] | (((long)compat->sig[3]) << 32 ); |
882 | case 1: set->sig[0] = compat->sig[0] | (((long)compat->sig[1]) << 32 ); |
883 | } |
884 | } |
885 | |
886 | asmlinkage long |
887 | compat_sys_rt_sigtimedwait (compat_sigset_t __user *uthese, |
888 | struct compat_siginfo __user *uinfo, |
889 | struct compat_timespec __user *uts, compat_size_t sigsetsize) |
890 | { |
891 | compat_sigset_t s32; |
892 | sigset_t s; |
893 | int sig; |
894 | struct timespec t; |
895 | siginfo_t info; |
896 | long ret, timeout = 0; |
897 | |
898 | if (sigsetsize != sizeof(sigset_t)) |
899 | return -EINVAL; |
900 | |
901 | if (copy_from_user(&s32, uthese, sizeof(compat_sigset_t))) |
902 | return -EFAULT; |
903 | sigset_from_compat(&s, &s32); |
904 | sigdelsetmask(&s,sigmask(SIGKILL)|sigmask(SIGSTOP)); |
905 | signotset(&s); |
906 | |
907 | if (uts) { |
908 | if (get_compat_timespec (&t, uts)) |
909 | return -EFAULT; |
910 | if (t.tv_nsec >= 1000000000L || t.tv_nsec < 0 |
911 | || t.tv_sec < 0) |
912 | return -EINVAL; |
913 | } |
914 | |
915 | spin_lock_irq(¤t->sighand->siglock); |
916 | sig = dequeue_signal(current, &s, &info); |
917 | if (!sig) { |
918 | timeout = MAX_SCHEDULE_TIMEOUT; |
919 | if (uts) |
920 | timeout = timespec_to_jiffies(&t) |
921 | +(t.tv_sec || t.tv_nsec); |
922 | if (timeout) { |
923 | current->real_blocked = current->blocked; |
924 | sigandsets(¤t->blocked, ¤t->blocked, &s); |
925 | |
926 | recalc_sigpending(); |
927 | spin_unlock_irq(¤t->sighand->siglock); |
928 | |
929 | timeout = schedule_timeout_interruptible(timeout); |
930 | |
931 | spin_lock_irq(¤t->sighand->siglock); |
932 | sig = dequeue_signal(current, &s, &info); |
933 | current->blocked = current->real_blocked; |
934 | siginitset(¤t->real_blocked, 0); |
935 | recalc_sigpending(); |
936 | } |
937 | } |
938 | spin_unlock_irq(¤t->sighand->siglock); |
939 | |
940 | if (sig) { |
941 | ret = sig; |
942 | if (uinfo) { |
943 | if (copy_siginfo_to_user32(uinfo, &info)) |
944 | ret = -EFAULT; |
945 | } |
946 | }else { |
947 | ret = timeout?-EINTR:-EAGAIN; |
948 | } |
949 | return ret; |
950 | |
951 | } |
952 | |
953 | asmlinkage long |
954 | compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid, compat_pid_t pid, int sig, |
955 | struct compat_siginfo __user *uinfo) |
956 | { |
957 | siginfo_t info; |
958 | |
959 | if (copy_siginfo_from_user32(&info, uinfo)) |
960 | return -EFAULT; |
961 | return do_rt_tgsigqueueinfo(tgid, pid, sig, &info); |
962 | } |
963 | |
964 | #ifdef __ARCH_WANT_COMPAT_SYS_TIME |
965 | |
966 | /* compat_time_t is a 32 bit "long" and needs to get converted. */ |
967 | |
968 | asmlinkage long compat_sys_time(compat_time_t __user * tloc) |
969 | { |
970 | compat_time_t i; |
971 | struct timeval tv; |
972 | |
973 | do_gettimeofday(&tv); |
974 | i = tv.tv_sec; |
975 | |
976 | if (tloc) { |
977 | if (put_user(i,tloc)) |
978 | return -EFAULT; |
979 | } |
980 | force_successful_syscall_return(); |
981 | return i; |
982 | } |
983 | |
984 | asmlinkage long compat_sys_stime(compat_time_t __user *tptr) |
985 | { |
986 | struct timespec tv; |
987 | int err; |
988 | |
989 | if (get_user(tv.tv_sec, tptr)) |
990 | return -EFAULT; |
991 | |
992 | tv.tv_nsec = 0; |
993 | |
994 | err = security_settime(&tv, NULL); |
995 | if (err) |
996 | return err; |
997 | |
998 | do_settimeofday(&tv); |
999 | return 0; |
1000 | } |
1001 | |
1002 | #endif /* __ARCH_WANT_COMPAT_SYS_TIME */ |
1003 | |
1004 | #ifdef __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND |
1005 | asmlinkage long compat_sys_rt_sigsuspend(compat_sigset_t __user *unewset, compat_size_t sigsetsize) |
1006 | { |
1007 | sigset_t newset; |
1008 | compat_sigset_t newset32; |
1009 | |
1010 | /* XXX: Don't preclude handling different sized sigset_t's. */ |
1011 | if (sigsetsize != sizeof(sigset_t)) |
1012 | return -EINVAL; |
1013 | |
1014 | if (copy_from_user(&newset32, unewset, sizeof(compat_sigset_t))) |
1015 | return -EFAULT; |
1016 | sigset_from_compat(&newset, &newset32); |
1017 | sigdelsetmask(&newset, sigmask(SIGKILL)|sigmask(SIGSTOP)); |
1018 | |
1019 | spin_lock_irq(¤t->sighand->siglock); |
1020 | current->saved_sigmask = current->blocked; |
1021 | current->blocked = newset; |
1022 | recalc_sigpending(); |
1023 | spin_unlock_irq(¤t->sighand->siglock); |
1024 | |
1025 | current->state = TASK_INTERRUPTIBLE; |
1026 | schedule(); |
1027 | set_restore_sigmask(); |
1028 | return -ERESTARTNOHAND; |
1029 | } |
1030 | #endif /* __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND */ |
1031 | |
1032 | asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp) |
1033 | { |
1034 | struct timex txc; |
1035 | int err, ret; |
1036 | |
1037 | err = compat_get_timex(&txc, utp); |
1038 | if (err) |
1039 | return err; |
1040 | |
1041 | ret = do_adjtimex(&txc); |
1042 | |
1043 | err = compat_put_timex(utp, &txc); |
1044 | if (err) |
1045 | return err; |
1046 | |
1047 | return ret; |
1048 | } |
1049 | |
1050 | #ifdef CONFIG_NUMA |
1051 | asmlinkage long compat_sys_move_pages(pid_t pid, unsigned long nr_pages, |
1052 | compat_uptr_t __user *pages32, |
1053 | const int __user *nodes, |
1054 | int __user *status, |
1055 | int flags) |
1056 | { |
1057 | const void __user * __user *pages; |
1058 | int i; |
1059 | |
1060 | pages = compat_alloc_user_space(nr_pages * sizeof(void *)); |
1061 | for (i = 0; i < nr_pages; i++) { |
1062 | compat_uptr_t p; |
1063 | |
1064 | if (get_user(p, pages32 + i) || |
1065 | put_user(compat_ptr(p), pages + i)) |
1066 | return -EFAULT; |
1067 | } |
1068 | return sys_move_pages(pid, nr_pages, pages, nodes, status, flags); |
1069 | } |
1070 | |
1071 | asmlinkage long compat_sys_migrate_pages(compat_pid_t pid, |
1072 | compat_ulong_t maxnode, |
1073 | const compat_ulong_t __user *old_nodes, |
1074 | const compat_ulong_t __user *new_nodes) |
1075 | { |
1076 | unsigned long __user *old = NULL; |
1077 | unsigned long __user *new = NULL; |
1078 | nodemask_t tmp_mask; |
1079 | unsigned long nr_bits; |
1080 | unsigned long size; |
1081 | |
1082 | nr_bits = min_t(unsigned long, maxnode - 1, MAX_NUMNODES); |
1083 | size = ALIGN(nr_bits, BITS_PER_LONG) / 8; |
1084 | if (old_nodes) { |
1085 | if (compat_get_bitmap(nodes_addr(tmp_mask), old_nodes, nr_bits)) |
1086 | return -EFAULT; |
1087 | old = compat_alloc_user_space(new_nodes ? size * 2 : size); |
1088 | if (new_nodes) |
1089 | new = old + size / sizeof(unsigned long); |
1090 | if (copy_to_user(old, nodes_addr(tmp_mask), size)) |
1091 | return -EFAULT; |
1092 | } |
1093 | if (new_nodes) { |
1094 | if (compat_get_bitmap(nodes_addr(tmp_mask), new_nodes, nr_bits)) |
1095 | return -EFAULT; |
1096 | if (new == NULL) |
1097 | new = compat_alloc_user_space(size); |
1098 | if (copy_to_user(new, nodes_addr(tmp_mask), size)) |
1099 | return -EFAULT; |
1100 | } |
1101 | return sys_migrate_pages(pid, nr_bits + 1, old, new); |
1102 | } |
1103 | #endif |
1104 | |
1105 | struct compat_sysinfo { |
1106 | s32 uptime; |
1107 | u32 loads[3]; |
1108 | u32 totalram; |
1109 | u32 freeram; |
1110 | u32 sharedram; |
1111 | u32 bufferram; |
1112 | u32 totalswap; |
1113 | u32 freeswap; |
1114 | u16 procs; |
1115 | u16 pad; |
1116 | u32 totalhigh; |
1117 | u32 freehigh; |
1118 | u32 mem_unit; |
1119 | char _f[20-2*sizeof(u32)-sizeof(int)]; |
1120 | }; |
1121 | |
1122 | asmlinkage long |
1123 | compat_sys_sysinfo(struct compat_sysinfo __user *info) |
1124 | { |
1125 | struct sysinfo s; |
1126 | |
1127 | do_sysinfo(&s); |
1128 | |
1129 | /* Check to see if any memory value is too large for 32-bit and scale |
1130 | * down if needed |
1131 | */ |
1132 | if ((s.totalram >> 32) || (s.totalswap >> 32)) { |
1133 | int bitcount = 0; |
1134 | |
1135 | while (s.mem_unit < PAGE_SIZE) { |
1136 | s.mem_unit <<= 1; |
1137 | bitcount++; |
1138 | } |
1139 | |
1140 | s.totalram >>= bitcount; |
1141 | s.freeram >>= bitcount; |
1142 | s.sharedram >>= bitcount; |
1143 | s.bufferram >>= bitcount; |
1144 | s.totalswap >>= bitcount; |
1145 | s.freeswap >>= bitcount; |
1146 | s.totalhigh >>= bitcount; |
1147 | s.freehigh >>= bitcount; |
1148 | } |
1149 | |
1150 | if (!access_ok(VERIFY_WRITE, info, sizeof(struct compat_sysinfo)) || |
1151 | __put_user (s.uptime, &info->uptime) || |
1152 | __put_user (s.loads[0], &info->loads[0]) || |
1153 | __put_user (s.loads[1], &info->loads[1]) || |
1154 | __put_user (s.loads[2], &info->loads[2]) || |
1155 | __put_user (s.totalram, &info->totalram) || |
1156 | __put_user (s.freeram, &info->freeram) || |
1157 | __put_user (s.sharedram, &info->sharedram) || |
1158 | __put_user (s.bufferram, &info->bufferram) || |
1159 | __put_user (s.totalswap, &info->totalswap) || |
1160 | __put_user (s.freeswap, &info->freeswap) || |
1161 | __put_user (s.procs, &info->procs) || |
1162 | __put_user (s.totalhigh, &info->totalhigh) || |
1163 | __put_user (s.freehigh, &info->freehigh) || |
1164 | __put_user (s.mem_unit, &info->mem_unit)) |
1165 | return -EFAULT; |
1166 | |
1167 | return 0; |
1168 | } |
1169 | |
1170 | /* |
1171 | * Allocate user-space memory for the duration of a single system call, |
1172 | * in order to marshall parameters inside a compat thunk. |
1173 | */ |
1174 | void __user *compat_alloc_user_space(unsigned long len) |
1175 | { |
1176 | void __user *ptr; |
1177 | |
1178 | /* If len would occupy more than half of the entire compat space... */ |
1179 | if (unlikely(len > (((compat_uptr_t)~0) >> 1))) |
1180 | return NULL; |
1181 | |
1182 | ptr = arch_compat_alloc_user_space(len); |
1183 | |
1184 | if (unlikely(!access_ok(VERIFY_WRITE, ptr, len))) |
1185 | return NULL; |
1186 | |
1187 | return ptr; |
1188 | } |
1189 | EXPORT_SYMBOL_GPL(compat_alloc_user_space); |
1190 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
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Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9