Re: [PATCH] staging: comedi: serial2002: quiet NULL pointer sparsenoise

[Ian Abbott]

On 08/06/12 01:14, H Hartley Sweeten wrote:
> Quiet a number of sparse warnings in this file:
>
> warning: Using plain integer as NULL pointer

I wonder why sparse warns about that for a literal, unadorned 0?  I 
suppose NULL is more explicit, but a plain 0 means the same as NULL in a 
pointer context (unlike a zero from some random expression).

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