Commit fa79837d authored Jul 01, 2006 by Ralf Baechle Committed by Linus Torvalds Jul 01, 2006

[PATCH] Fix IS_ERR Threshold Value



 o Raise the maximum error number in IS_ERR_VALUE to 4095.
 o Make that number available as a new constant MAX_ERRNO.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

parent 10e5dce0

include/linux/err.h

+3 −1

Original line number	Diff line number	Diff line
		@@ -13,7 +13,9 @@
		* This should be a per-architecture thing, to allow different
		* error and pointer decisions.
		*/
		#define IS_ERR_VALUE(x) unlikely((x) > (unsigned long)-1000L)
		#define MAX_ERRNO 4095

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

		static inline void *ERR_PTR(long error)
		{