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[PATCH] consistently use MAX_ERRNO in __syscall_return

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Consistently use MAX_ERRNO when checking for errors in __syscall_return().

[ralf@linux-mips.org: build fix]
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Randy Dunlap
2006-09-27 01:50:55 -07:00
committed by Linus Torvalds
parent bd8e39f9e4
commit ebba5f9fcb
14 changed files with 43 additions and 23 deletions
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include/asm-m32r/unistd.h
+3 -2
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@@ -296,8 +296,9 @@
#ifdef __KERNEL__
#define NR_syscalls 285
#include <linux/err.h>
/* user-visible error numbers are in the range -1 - -124: see
/* user-visible error numbers are in the range -1 - -MAX_ERRNO: see
* <asm-m32r/errno.h>
*/
@@ -305,7 +306,7 @@
#define __syscall_return(type, res) \
do { \
if ((unsigned long)(res) >= (unsigned long)(-(124 + 1))) { \
if ((unsigned long)(res) >= (unsigned long)(-MAX_ERRNO)) { \
/* Avoid using "res" which is declared to be in register r0; \
errno might expand to a function call and clobber it. */ \
int __err = -(res); \