[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>
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@ -13,7 +13,9 @@
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* This should be a per-architecture thing, to allow different
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* error and pointer decisions.
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*/
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#define IS_ERR_VALUE(x) unlikely((x) > (unsigned long)-1000L)
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#define MAX_ERRNO 4095
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#define IS_ERR_VALUE(x) unlikely((x) >= (unsigned long)-MAX_ERRNO)
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static inline void *ERR_PTR(long error)
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{
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