Re: [PATCH 01/31] Add an ERR_CAST() macro to complement ERR_PTR and co. [try #5]

[Roland Dreier]

 > > +static inline void *ERR_CAST(const void *ptr)
 > > +{
 > > +	return (void *) ptr;
 > > +}
 > 
 > Just to nit, surely you don't need the cast inside the function.  The
 > casting happens at the call site between the argument and returned pointer.

The way it's written you kinda do, since it takes a const void * and
returns a plain void *.  But I don't think that's the best way to
write it.
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