Re: IS_ERR Threshold Value

[H. Peter Anvin]

Randy.Dunlap wrote:

> Are changes also needed in asm-*/unistd.h::syscall_return() macros?
> or is syscall_return() just not used?
>
> e.g.,
> arm26 uses -125 to detect error
> arm uses -129 to detect error
> frv uses -4095 to detect error
> i386 uses -129
> h8300, m32r, s390, sh64, v850 use -125
> m68k[nommu] uses -125
> sh uses -124
> x86_64 uses -127

... and they're pretty much all wrong (in some cases, they're actually 
less than actual errno values on that architecture!)

It pretty much works because they're not used.  They should either be 
fixed or removed.

	-hpa

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