Commit 33215652e4a75dfa8adb20f4d741517457b0da2b

Authored by Al Viro
Committed by Linus Torvalds
1 parent ade31f38f2

[PATCH] qualifiers in return types - easy cases

a bunch of functions switched from volatile to __attribute__((noreturn)) and
from const to __attribute_pure__

Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

Showing 6 changed files with 8 additions and 8 deletions Side-by-side Diff

arch/arm/kernel/traps.c
... ... @@ -617,7 +617,7 @@
617 617 notify_die("unknown data abort code", regs, &info, instr, 0);
618 618 }
619 619  
620   -volatile void __bug(const char *file, int line, void *data)
  620 +void __attribute__((noreturn)) __bug(const char *file, int line, void *data)
621 621 {
622 622 printk(KERN_CRIT"kernel BUG at %s:%d!", file, line);
623 623 if (data)
arch/arm/nwfpe/fpopcode.h
... ... @@ -370,20 +370,20 @@
370 370 #define getRoundingMode(opcode) ((opcode & MASK_ROUNDING_MODE) >> 5)
371 371  
372 372 #ifdef CONFIG_FPE_NWFPE_XP
373   -static inline const floatx80 getExtendedConstant(const unsigned int nIndex)
  373 +static inline __attribute_pure__ floatx80 getExtendedConstant(const unsigned int nIndex)
374 374 {
375 375 extern const floatx80 floatx80Constant[];
376 376 return floatx80Constant[nIndex];
377 377 }
378 378 #endif
379 379  
380   -static inline const float64 getDoubleConstant(const unsigned int nIndex)
  380 +static inline __attribute_pure__ float64 getDoubleConstant(const unsigned int nIndex)
381 381 {
382 382 extern const float64 float64Constant[];
383 383 return float64Constant[nIndex];
384 384 }
385 385  
386   -static inline const float32 getSingleConstant(const unsigned int nIndex)
  386 +static inline __attribute_pure__ float32 getSingleConstant(const unsigned int nIndex)
387 387 {
388 388 extern const float32 float32Constant[];
389 389 return float32Constant[nIndex];
include/asm-arm/bug.h
... ... @@ -5,7 +5,7 @@
5 5  
6 6 #ifdef CONFIG_BUG
7 7 #ifdef CONFIG_DEBUG_BUGVERBOSE
8   -extern volatile void __bug(const char *file, int line, void *data);
  8 +extern void __bug(const char *file, int line, void *data) __attribute__((noreturn));
9 9  
10 10 /* give file/line information */
11 11 #define BUG() __bug(__FILE__, __LINE__, NULL)
include/asm-arm/cpu-multi32.h
... ... @@ -31,7 +31,7 @@
31 31 /*
32 32 * Special stuff for a reset
33 33 */
34   - volatile void (*reset)(unsigned long addr);
  34 + void (*reset)(unsigned long addr) __attribute__((noreturn));
35 35 /*
36 36 * Idle the processor
37 37 */
include/asm-arm/cpu-single.h
... ... @@ -41,5 +41,5 @@
41 41 extern void cpu_dcache_clean_area(void *, int);
42 42 extern void cpu_do_switch_mm(unsigned long pgd_phys, struct mm_struct *mm);
43 43 extern void cpu_set_pte(pte_t *ptep, pte_t pte);
44   -extern volatile void cpu_reset(unsigned long addr);
  44 +extern void cpu_reset(unsigned long addr) __attribute__((noreturn));
include/asm-ppc/time.h
... ... @@ -58,7 +58,7 @@
58 58 /* Accessor functions for the timebase (RTC on 601) registers. */
59 59 /* If one day CONFIG_POWER is added just define __USE_RTC as 1 */
60 60 #ifdef CONFIG_6xx
61   -extern __inline__ int const __USE_RTC(void) {
  61 +extern __inline__ int __attribute_pure__ __USE_RTC(void) {
62 62 return (mfspr(SPRN_PVR)>>16) == 1;
63 63 }
64 64 #else