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-rw-r--r--include/asm-arm/unistd.h3
-rw-r--r--include/asm-arm26/unistd.h3
-rw-r--r--include/asm-frv/unistd.h3
-rw-r--r--include/asm-h8300/unistd.h6
-rw-r--r--include/asm-i386/unistd.h5
-rw-r--r--include/asm-m32r/unistd.h5
-rw-r--r--include/asm-m68k/unistd.h5
-rw-r--r--include/asm-m68knommu/unistd.h5
-rw-r--r--include/asm-s390/unistd.h4
-rw-r--r--include/asm-sh/unistd.h7
-rw-r--r--include/asm-sh64/unistd.h6
-rw-r--r--include/asm-v850/unistd.h5
-rw-r--r--include/asm-x86_64/unistd.h5
-rw-r--r--include/linux/err.h4
14 files changed, 43 insertions, 23 deletions
diff --git a/include/asm-arm/unistd.h b/include/asm-arm/unistd.h
index 1e891f860ef3..2ab4078334bf 100644
--- a/include/asm-arm/unistd.h
+++ b/include/asm-arm/unistd.h
@@ -377,6 +377,7 @@
377#endif 377#endif
378 378
379#ifdef __KERNEL__ 379#ifdef __KERNEL__
380#include <linux/err.h>
380#include <linux/linkage.h> 381#include <linux/linkage.h>
381 382
382#define __sys2(x) #x 383#define __sys2(x) #x
@@ -396,7 +397,7 @@
396 397
397#define __syscall_return(type, res) \ 398#define __syscall_return(type, res) \
398do { \ 399do { \
399 if ((unsigned long)(res) >= (unsigned long)(-129)) { \ 400 if ((unsigned long)(res) >= (unsigned long)(-MAX_ERRNO)) { \
400 errno = -(res); \ 401 errno = -(res); \
401 res = -1; \ 402 res = -1; \
402 } \ 403 } \
diff --git a/include/asm-arm26/unistd.h b/include/asm-arm26/unistd.h
index 70eb6d91cfd0..c6d2436c9d34 100644
--- a/include/asm-arm26/unistd.h
+++ b/include/asm-arm26/unistd.h
@@ -311,6 +311,7 @@
311#define __ARM_NR_usr26 (__ARM_NR_BASE+3) 311#define __ARM_NR_usr26 (__ARM_NR_BASE+3)
312 312
313#ifdef __KERNEL__ 313#ifdef __KERNEL__
314#include <linux/err.h>
314#include <linux/linkage.h> 315#include <linux/linkage.h>
315 316
316#define __sys2(x) #x 317#define __sys2(x) #x
@@ -322,7 +323,7 @@
322 323
323#define __syscall_return(type, res) \ 324#define __syscall_return(type, res) \
324do { \ 325do { \
325 if ((unsigned long)(res) >= (unsigned long)(-125)) { \ 326 if ((unsigned long)(res) >= (unsigned long)-MAX_ERRNO) { \
326 errno = -(res); \ 327 errno = -(res); \
327 res = -1; \ 328 res = -1; \
328 } \ 329 } \
diff --git a/include/asm-frv/unistd.h b/include/asm-frv/unistd.h
index b80dbd839475..d104d1b91d39 100644
--- a/include/asm-frv/unistd.h
+++ b/include/asm-frv/unistd.h
@@ -320,6 +320,7 @@
320#ifdef __KERNEL__ 320#ifdef __KERNEL__
321 321
322#define NR_syscalls 310 322#define NR_syscalls 310
323#include <linux/err.h>
323 324
324/* 325/*
325 * process the return value of a syscall, consigning it to one of two possible fates 326 * process the return value of a syscall, consigning it to one of two possible fates
@@ -329,7 +330,7 @@
329#define __syscall_return(type, res) \ 330#define __syscall_return(type, res) \
330do { \ 331do { \
331 unsigned long __sr2 = (res); \ 332 unsigned long __sr2 = (res); \
332 if (__builtin_expect(__sr2 >= (unsigned long)(-4095), 0)) { \ 333 if (__builtin_expect(__sr2 >= (unsigned long)(-MAX_ERRNO), 0)) { \
333 errno = (-__sr2); \ 334 errno = (-__sr2); \
334 __sr2 = ~0UL; \ 335 __sr2 = ~0UL; \
335 } \ 336 } \
diff --git a/include/asm-h8300/unistd.h b/include/asm-h8300/unistd.h
index 226dd596c2da..a2dd90462d80 100644
--- a/include/asm-h8300/unistd.h
+++ b/include/asm-h8300/unistd.h
@@ -295,14 +295,14 @@
295#ifdef __KERNEL__ 295#ifdef __KERNEL__
296 296
297#define NR_syscalls 289 297#define NR_syscalls 289
298#include <linux/err.h>
298 299
299 300/* user-visible error numbers are in the range -1 - -MAX_ERRNO: see
300/* user-visible error numbers are in the range -1 - -122: see
301 <asm-m68k/errno.h> */ 301 <asm-m68k/errno.h> */
302 302
303#define __syscall_return(type, res) \ 303#define __syscall_return(type, res) \
304do { \ 304do { \
305 if ((unsigned long)(res) >= (unsigned long)(-125)) { \ 305 if ((unsigned long)(res) >= (unsigned long)(-MAX_ERRNO)) { \
306 /* avoid using res which is declared to be in register d0; \ 306 /* avoid using res which is declared to be in register d0; \
307 errno might expand to a function call and clobber it. */ \ 307 errno might expand to a function call and clobber it. */ \
308 int __err = -(res); \ 308 int __err = -(res); \
diff --git a/include/asm-i386/unistd.h b/include/asm-i386/unistd.h
index 565d0897b205..bd9987087adc 100644
--- a/include/asm-i386/unistd.h
+++ b/include/asm-i386/unistd.h
@@ -328,14 +328,15 @@
328#ifdef __KERNEL__ 328#ifdef __KERNEL__
329 329
330#define NR_syscalls 319 330#define NR_syscalls 319
331#include <linux/err.h>
331 332
332/* 333/*
333 * user-visible error numbers are in the range -1 - -128: see 334 * user-visible error numbers are in the range -1 - -MAX_ERRNO: see
334 * <asm-i386/errno.h> 335 * <asm-i386/errno.h>
335 */ 336 */
336#define __syscall_return(type, res) \ 337#define __syscall_return(type, res) \
337do { \ 338do { \
338 if ((unsigned long)(res) >= (unsigned long)(-(128 + 1))) { \ 339 if ((unsigned long)(res) >= (unsigned long)(-MAX_ERRNO)) { \
339 errno = -(res); \ 340 errno = -(res); \
340 res = -1; \ 341 res = -1; \
341 } \ 342 } \
diff --git a/include/asm-m32r/unistd.h b/include/asm-m32r/unistd.h
index 89f376e6229f..5c6a9ac6cf1a 100644
--- a/include/asm-m32r/unistd.h
+++ b/include/asm-m32r/unistd.h
@@ -296,8 +296,9 @@
296#ifdef __KERNEL__ 296#ifdef __KERNEL__
297 297
298#define NR_syscalls 285 298#define NR_syscalls 285
299#include <linux/err.h>
299 300
300/* user-visible error numbers are in the range -1 - -124: see 301/* user-visible error numbers are in the range -1 - -MAX_ERRNO: see
301 * <asm-m32r/errno.h> 302 * <asm-m32r/errno.h>
302 */ 303 */
303 304
@@ -305,7 +306,7 @@
305 306
306#define __syscall_return(type, res) \ 307#define __syscall_return(type, res) \
307do { \ 308do { \
308 if ((unsigned long)(res) >= (unsigned long)(-(124 + 1))) { \ 309 if ((unsigned long)(res) >= (unsigned long)(-MAX_ERRNO)) { \
309 /* Avoid using "res" which is declared to be in register r0; \ 310 /* Avoid using "res" which is declared to be in register r0; \
310 errno might expand to a function call and clobber it. */ \ 311 errno might expand to a function call and clobber it. */ \
311 int __err = -(res); \ 312 int __err = -(res); \
diff --git a/include/asm-m68k/unistd.h b/include/asm-m68k/unistd.h
index 7c0b6296b45c..751632b904db 100644
--- a/include/asm-m68k/unistd.h
+++ b/include/asm-m68k/unistd.h
@@ -288,13 +288,14 @@
288#ifdef __KERNEL__ 288#ifdef __KERNEL__
289 289
290#define NR_syscalls 282 290#define NR_syscalls 282
291#include <linux/err.h>
291 292
292/* user-visible error numbers are in the range -1 - -124: see 293/* user-visible error numbers are in the range -1 - -MAX_ERRNO: see
293 <asm-m68k/errno.h> */ 294 <asm-m68k/errno.h> */
294 295
295#define __syscall_return(type, res) \ 296#define __syscall_return(type, res) \
296do { \ 297do { \
297 if ((unsigned long)(res) >= (unsigned long)(-125)) { \ 298 if ((unsigned long)(res) >= (unsigned long)(-MAX_ERRNO)) { \
298 /* avoid using res which is declared to be in register d0; \ 299 /* avoid using res which is declared to be in register d0; \
299 errno might expand to a function call and clobber it. */ \ 300 errno might expand to a function call and clobber it. */ \
300 int __err = -(res); \ 301 int __err = -(res); \
diff --git a/include/asm-m68knommu/unistd.h b/include/asm-m68knommu/unistd.h
index 1b2abdf281e1..21fdc37c5c2c 100644
--- a/include/asm-m68knommu/unistd.h
+++ b/include/asm-m68knommu/unistd.h
@@ -289,13 +289,14 @@
289#ifdef __KERNEL__ 289#ifdef __KERNEL__
290 290
291#define NR_syscalls 282 291#define NR_syscalls 282
292#include <linux/err.h>
292 293
293/* user-visible error numbers are in the range -1 - -122: see 294/* user-visible error numbers are in the range -1 - -MAX_ERRNO: see
294 <asm-m68k/errno.h> */ 295 <asm-m68k/errno.h> */
295 296
296#define __syscall_return(type, res) \ 297#define __syscall_return(type, res) \
297do { \ 298do { \
298 if ((unsigned long)(res) >= (unsigned long)(-125)) { \ 299 if ((unsigned long)(res) >= (unsigned long)(-MAX_ERRNO)) { \
299 /* avoid using res which is declared to be in register d0; \ 300 /* avoid using res which is declared to be in register d0; \
300 errno might expand to a function call and clobber it. */ \ 301 errno might expand to a function call and clobber it. */ \
301 int __err = -(res); \ 302 int __err = -(res); \
diff --git a/include/asm-s390/unistd.h b/include/asm-s390/unistd.h
index 02b942d85c37..d49c54cb5505 100644
--- a/include/asm-s390/unistd.h
+++ b/include/asm-s390/unistd.h
@@ -342,9 +342,11 @@
342 342
343#ifdef __KERNEL__ 343#ifdef __KERNEL__
344 344
345#include <linux/err.h>
346
345#define __syscall_return(type, res) \ 347#define __syscall_return(type, res) \
346do { \ 348do { \
347 if ((unsigned long)(res) >= (unsigned long)(-4095)) {\ 349 if ((unsigned long)(res) >= (unsigned long)(-MAX_ERRNO)) { \
348 errno = -(res); \ 350 errno = -(res); \
349 res = -1; \ 351 res = -1; \
350 } \ 352 } \
diff --git a/include/asm-sh/unistd.h b/include/asm-sh/unistd.h
index 76b5430cb458..da127d7901af 100644
--- a/include/asm-sh/unistd.h
+++ b/include/asm-sh/unistd.h
@@ -306,11 +306,14 @@
306 306
307#ifdef __KERNEL__ 307#ifdef __KERNEL__
308 308
309/* user-visible error numbers are in the range -1 - -124: see <asm-sh/errno.h> */ 309#include <linux/err.h>
310
311/* user-visible error numbers are in the range -1 - -MAX_ERRNO:
312 * see <asm-sh/errno.h> */
310 313
311#define __syscall_return(type, res) \ 314#define __syscall_return(type, res) \
312do { \ 315do { \
313 if ((unsigned long)(res) >= (unsigned long)(-124)) { \ 316 if ((unsigned long)(res) >= (unsigned long)(-MAX_ERRNO)) { \
314 /* Avoid using "res" which is declared to be in register r0; \ 317 /* Avoid using "res" which is declared to be in register r0; \
315 errno might expand to a function call and clobber it. */ \ 318 errno might expand to a function call and clobber it. */ \
316 int __err = -(res); \ 319 int __err = -(res); \
diff --git a/include/asm-sh64/unistd.h b/include/asm-sh64/unistd.h
index 9a1590fffc15..c113566bef33 100644
--- a/include/asm-sh64/unistd.h
+++ b/include/asm-sh64/unistd.h
@@ -347,8 +347,10 @@
347#ifdef __KERNEL__ 347#ifdef __KERNEL__
348 348
349#define NR_syscalls 321 349#define NR_syscalls 321
350#include <linux/err.h>
350 351
351/* user-visible error numbers are in the range -1 - -125: see <asm-sh64/errno.h> */ 352/* user-visible error numbers are in the range -1 - -MAX_ERRNO:
353 * see <asm-sh64/errno.h> */
352 354
353#define __syscall_return(type, res) \ 355#define __syscall_return(type, res) \
354do { \ 356do { \
@@ -358,7 +360,7 @@ do { \
358 ** life easier in the system call epilogue (see entry.S) \ 360 ** life easier in the system call epilogue (see entry.S) \
359 */ \ 361 */ \
360 register unsigned long __sr2 __asm__ ("r2") = res; \ 362 register unsigned long __sr2 __asm__ ("r2") = res; \
361 if ((unsigned long)(res) >= (unsigned long)(-125)) { \ 363 if ((unsigned long)(res) >= (unsigned long)(-MAX_ERRNO)) { \
362 errno = -(res); \ 364 errno = -(res); \
363 __sr2 = -1; \ 365 __sr2 = -1; \
364 } \ 366 } \
diff --git a/include/asm-v850/unistd.h b/include/asm-v850/unistd.h
index bcb44bfe577a..552b7c873a57 100644
--- a/include/asm-v850/unistd.h
+++ b/include/asm-v850/unistd.h
@@ -238,12 +238,13 @@
238#ifdef __KERNEL__ 238#ifdef __KERNEL__
239 239
240#include <asm/clinkage.h> 240#include <asm/clinkage.h>
241#include <linux/err.h>
241 242
242#define __syscall_return(type, res) \ 243#define __syscall_return(type, res) \
243 do { \ 244 do { \
244 /* user-visible error numbers are in the range -1 - -124: \ 245 /* user-visible error numbers are in the range -1 - -MAX_ERRNO: \
245 see <asm-v850/errno.h> */ \ 246 see <asm-v850/errno.h> */ \
246 if (__builtin_expect ((unsigned long)(res) >= (unsigned long)(-125), 0)) { \ 247 if (__builtin_expect ((unsigned long)(res) >= (unsigned long)(-MAX_ERRNO), 0)) { \
247 errno = -(res); \ 248 errno = -(res); \
248 res = -1; \ 249 res = -1; \
249 } \ 250 } \
diff --git a/include/asm-x86_64/unistd.h b/include/asm-x86_64/unistd.h
index eeb98c168e98..6137146516d3 100644
--- a/include/asm-x86_64/unistd.h
+++ b/include/asm-x86_64/unistd.h
@@ -623,16 +623,17 @@ __SYSCALL(__NR_move_pages, sys_move_pages)
623#ifdef __KERNEL__ 623#ifdef __KERNEL__
624 624
625#define __NR_syscall_max __NR_move_pages 625#define __NR_syscall_max __NR_move_pages
626#include <linux/err.h>
626 627
627#ifndef __NO_STUBS 628#ifndef __NO_STUBS
628 629
629/* user-visible error numbers are in the range -1 - -4095 */ 630/* user-visible error numbers are in the range -1 - -MAX_ERRNO */
630 631
631#define __syscall_clobber "r11","rcx","memory" 632#define __syscall_clobber "r11","rcx","memory"
632 633
633#define __syscall_return(type, res) \ 634#define __syscall_return(type, res) \
634do { \ 635do { \
635 if ((unsigned long)(res) >= (unsigned long)(-127)) { \ 636 if ((unsigned long)(res) >= (unsigned long)(-MAX_ERRNO)) { \
636 errno = -(res); \ 637 errno = -(res); \
637 res = -1; \ 638 res = -1; \
638 } \ 639 } \
diff --git a/include/linux/err.h b/include/linux/err.h
index cd3b367f7445..1ab1d44f8d3b 100644
--- a/include/linux/err.h
+++ b/include/linux/err.h
@@ -15,6 +15,8 @@
15 */ 15 */
16#define MAX_ERRNO 4095 16#define MAX_ERRNO 4095
17 17
18#ifndef __ASSEMBLY__
19
18#define IS_ERR_VALUE(x) unlikely((x) >= (unsigned long)-MAX_ERRNO) 20#define IS_ERR_VALUE(x) unlikely((x) >= (unsigned long)-MAX_ERRNO)
19 21
20static inline void *ERR_PTR(long error) 22static inline void *ERR_PTR(long error)
@@ -32,4 +34,6 @@ static inline long IS_ERR(const void *ptr)
32 return IS_ERR_VALUE((unsigned long)ptr); 34 return IS_ERR_VALUE((unsigned long)ptr);
33} 35}
34 36
37#endif
38
35#endif /* _LINUX_ERR_H */ 39#endif /* _LINUX_ERR_H */