Re: [BUG ?] checkpatch.pl rejects as error something I think itought to be allow

From: Andy Whitcroft
Date: Mon Feb 21 2011 - 18:40:38 EST


On Mon, Feb 21, 2011 at 03:28:02PM -0800, Corey Ashford wrote:
> Hi,
>
> I have a piece of code where I have two constants defined as follows:
>
> static const unsigned long polling_interval_sec = 1;
> static const unsigned long polling_interval_ns = 0;
>
> Now, it's clear to me that I want these two values to have the
> keywords const and static. I could use a #define here, but const
> static seemed cleaner to me.
>
> When I run checkpatch.pl across this code, I get this error:
>
> ERROR: do not initialise statics to 0 or NULL.
>
> I think the problem here is that another case is needed for "static
> const" that does allow 0.
>
> What do you think?
>
> Thanks for your consideration,

The warning is intended to tell you that the = 0 is unnecessary. Any
static is 0 by default I believe. At some point the addition of the 0
would move the value from the bss to the data segment bloating the code.
This may no longer be true.

-apw
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