linux-kernel - Re: [PATCH] staging: goldfish: Fix minor coding style

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Message-ID: <20141213182238.GA6979@iron>
Date:	Sat, 13 Dec 2014 19:22:38 +0100
From:	Loic Pefferkorn <loic@...cp.eu>
To:	Jeremiah Mahler <jmmahler@...il.com>, gregkh@...uxfoundation.org,
	alan@...ux.intel.com, jun.j.tian@...el.com,
	octavian.purdila@...el.com, nnk@...gle.com,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: goldfish: Fix minor coding style

> Whose convention is this?  I can't find any mention in
> Documention/CodingStyle. checkpatch.pl doesn't complain about them.
> And there are almost three thousand examples in staging which don't
> use this convention.
> 
>   linux-next$ grep -r "== NULL" drivers/staging/* | wc -l
>   2844

Hi Jeremiah,

Thanks for your feedback.

I have used checkpatch.pl with the --strict flag:

$ ./scripts/checkpatch.pl --strict -f drivers/staging/goldfish/goldfish_nand.c
CHECK: Comparison to NULL could be written "!cps"
#51: FILE: drivers/staging/goldfish/goldfish_nand.c:51:
+   if (cps == NULL)

CHECK: Comparison to NULL could be written "!name"
#333: FILE: drivers/staging/goldfish/goldfish_nand.c:333:
+   if (name == NULL)

CHECK: Comparison to NULL could be written "!r"
#382: FILE: drivers/staging/goldfish/goldfish_nand.c:382:
+   if (r == NULL)

CHECK: Comparison to NULL could be written "!base"
#386: FILE: drivers/staging/goldfish/goldfish_nand.c:386:
+   if (base == NULL)

CHECK: Comparison to NULL could be written "!nand"
#402: FILE: drivers/staging/goldfish/goldfish_nand.c:402:
+   if (nand == NULL)

total: 0 errors, 0 warnings, 5 checks, 442 lines checked

drivers/staging/goldfish/goldfish_nand.c has style problems, please review.

I have also found another commit having the same purpose: 7f376cd6dc1c9bfd14514c70765e6900a961c4b8

-- 
Cheers,
Loïc
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