Re: [PATCH] checkpatch giving bogus advice (was staging: goldfish: Fix minor coding style)

From: Jeremiah Mahler
Date: Mon Dec 15 2014 - 09:08:54 EST


Dan,

On Mon, Dec 15, 2014 at 04:43:34PM +0300, Dan Carpenter wrote:
> On Mon, Dec 15, 2014 at 05:03:46AM -0800, Jeremiah Mahler wrote:
> >
> > Or another way mentioned in K&R that produces a compile error
> >
> > if (NULL = x)
> >
>
> Yes. People used to write Yoda code back in the day. Don't ever do
> this in the kernel.
>
> 1) It looks stupid.

Agreed :-)

> 2) GCC will catch most == vs = bugs as Alan pointed out.
> 3) There are still some that sneak through because people put double
> parenthesis around everything like "if ((foo = NULL) || (...)) {",
> but checkpatch.pl and Smatch will catch those.
>
> regards,
> dan carpenter
>

--
- Jeremiah Mahler
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