linux-kernel - Re: [PATCH 0/9] Kconfig: cleanup s390 v2.

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Date:	Thu, 26 Apr 2007 05:39:16 +0400
From:	Anton Vorontsov <cbou@...l.ru>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Randy Dunlap <randy.dunlap@...cle.com>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org,
	mb@...sch.de, linville@...driver.com, maxextreme@...il.com,
	gregkh@...e.de, jschopp@...tin.ibm.com
Subject: Re: [PATCH 0/9] Kconfig: cleanup s390 v2.

On Thu, Apr 26, 2007 at 02:32:06AM +0200, Arnd Bergmann wrote:
> On Thursday 26 April 2007, Andrew Morton wrote:
> > It would be neat if someone could create and maintain a new
> > scripts/spot-common-mistakes.  Feed it a unified diff and it would complain
> > about newly-added code (and only newly-added code) which has busted
> > whitespace, adds new semaphores, adds new kernel_thread calls, etc, etc.
> 
> http://patchstylecheck.googlecode.com/svn/trunk/patchstylecheckemail.pl
> Might serve as a starting point for this. It doesn't have any semantic
> checks right now, but I guess they can be added.

Had run this utility against my battery patches, and caught
bunch of false positives (I believe).


+#define BATTERY_PROP(bat, prop) ({                                 \
+	void *value = bat->get_property(bat, BATTERY_PROP_##prop); \
+	value ? *(int*)value : 0;                                  \
+})

Got: "Macros with multiple statements should be enclosed in a do - while
loop"

I believed ({}) is equivalent for "do - while", it's widely used in
kernel.


+	switch (bp) {
+	default: break;
+	};

Got "Gotos should not be indented", at "default: break;"


+static int bind_pst_to_psy(struct power_supplicant *pst,
+                           struct power_supply *psy)
+{

Got "use tabs not spaces". Here spaces intentionally used for
formatting purpose, not for the indenting.
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