Re: IS_ERR Threshold Value

From: Ralf Baechle
Date: Sun Jul 02 2006 - 13:09:42 EST


So MAX_ERRNO of EMAXERRNO which was also being used in assembler code.
Other architectures may have the same issue, so I propose wrapping the
C parts with #ifndef __ASSEMBLY__ to keep as happy.

Signed-off-by: Ralf Baechle <ralf@xxxxxxxxxxxxxx>

diff --git a/include/linux/err.h b/include/linux/err.h
index cd3b367..1ab1d44 100644
--- a/include/linux/err.h
+++ b/include/linux/err.h
@@ -15,6 +15,8 @@ #include <asm/errno.h>
*/
#define MAX_ERRNO 4095

+#ifndef __ASSEMBLY__
+
#define IS_ERR_VALUE(x) unlikely((x) >= (unsigned long)-MAX_ERRNO)

static inline void *ERR_PTR(long error)
@@ -32,4 +34,6 @@ static inline long IS_ERR(const void *pt
return IS_ERR_VALUE((unsigned long)ptr);
}

+#endif
+
#endif /* _LINUX_ERR_H */
-
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