Commit fa79837d authored by Ralf Baechle's avatar Ralf Baechle Committed by Linus Torvalds
Browse files

[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: default avatarRalf Baechle <>
Cc: "H. Peter Anvin" <>
Signed-off-by: default avatarAndrew Morton <>
Signed-off-by: default avatarLinus Torvalds <>
parent 10e5dce0
......@@ -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)
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