linux-kernel - Re: [PATCH] Staging: quatech_usb2: Convert eos semaphore to mutex

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Message-ID: <AANLkTilSP7AYz08-aTNJ1fWCYrgbTebJznAIps1AbjoW@mail.gmail.com>
Date:	Sun, 16 May 2010 00:08:30 +0200
From:	Alessio Igor Bogani <abogani@...ware.it>
To:	Oliver Neukum <oliver@...kum.org>
Cc:	Greg Kroah-Hartman <gregkh@...e.de>,
	Dominik Brodowski <linux@...inikbrodowski.net>,
	Bill Pemberton <wfp5p@...ginia.edu>,
	Jiri Kosina <jkosina@...e.cz>,
	Javier Martinez Canillas <martinez.javier@...il.com>,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Staging: quatech_usb2: Convert eos semaphore to mutex

Hi Oliver,

2010/5/15 Oliver Neukum <oliver@...kum.org>:
> Am Samstag, 15. Mai 2010 23:40:02 schrieb Alessio Igor Bogani:
>> The eos semaphore is used as a mutex so replace it with a real mutex.
>
> Documentation/mutex-design.txt states that a mutex must not be used
> from within an interrupt handler. Is this outdated?

You are right. Simply I didn't see irqreturn_t return type in function
prototype.

Sorry for my mistake.

Ciao,
Alessio
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