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| author | Ralf Baechle <ralf@linux-mips.org> | 2006-07-01 04:36:25 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-07-01 09:56:03 -0700 |
| commit | fa79837d5b562766a3e3cfad4753a3df8e0a1319 (patch) | |
| tree | 5cbc2a4de92acce3e0ad47e6481c4524c810b33a | |
| parent | 10e5dce07e6f8f9cea1b54161a888bb099484f88 (diff) | |
| download | linux-3.10-fa79837d5b562766a3e3cfad4753a3df8e0a1319.tar.gz linux-3.10-fa79837d5b562766a3e3cfad4753a3df8e0a1319.tar.bz2 linux-3.10-fa79837d5b562766a3e3cfad4753a3df8e0a1319.zip | |
[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>
| -rw-r--r-- | include/linux/err.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/err.h b/include/linux/err.h index ff71d2af5da..cd3b367f744 100644 --- a/include/linux/err.h +++ b/include/linux/err.h @@ -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) { |