linux-kernel - Re: [PATCH] wireless: wl12xx, fix lock imbalance

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Message-ID: <4A5BABDB.2070600@gmail.com>
Date:	Mon, 13 Jul 2009 23:49:15 +0200
From:	Jiri Slaby <jirislaby@...il.com>
To:	Johannes Berg <johannes@...solutions.net>
CC:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...e.hu>
Subject: Re: [PATCH] wireless: wl12xx, fix lock imbalance

On 07/13/2009 11:44 PM, Jiri Slaby wrote:
>> I've had local hacks
>> many times to make sparse aware of mutexes, is there a reason they are
>> not annotated with __acquire(s)/__release(s) like spinlocks etc.?
> 
> Mutexes are often locked/unlocked interprocedural which I think sparse
> can't do much about.

(which means it has high false positive rate in those cases)
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