[PATCH] consistently use MAX_ERRNO in __syscall_return

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>

1 files changed, 3 insertions, 2 deletions

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 @@
 #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); \