linux-kernel - Re: [PATCH v3 11/36] mtd: st_spi_fsm: Search for preferred FSM message sequence configurations

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Message-ID: <20131217104617.GE19810@lee--X1>
Date:	Tue, 17 Dec 2013 10:46:17 +0000
From:	Lee Jones <lee.jones@...aro.org>
To:	Angus Clark <angus.clark@...com>
Cc:	Brian Norris <computersforpeace@...il.com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	dwmw2@...radead.org, linus.walleij@...aro.org,
	linux-mtd@...ts.infradead.org
Subject: Re: [PATCH v3 11/36] mtd: st_spi_fsm: Search for preferred FSM
 message sequence configurations

> >> +/* Search for preferred configuration based on available flags */
> >> +static struct seq_rw_config *
> >> +stfsm_search_seq_rw_configs(struct stfsm *fsm,
> >> +			    struct seq_rw_config cfgs[])
> >> +{
> >> +	struct seq_rw_config *config;
> >> +	int flags = fsm->info->flags;
> >> +
> >> +	for (config = cfgs; cfgs->cmd != 0; config++)
> > 
> > This becomes an infinite loop if you can't find a matching config. You
> > probably meant 'config->cmd != 0':
> 
> I will leave Lee to defend himself on this one ;-)

No defence necessary, I think Brian's correct.

NB: You might want to take a look at the 'dirty' implementation too. ;)

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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