linux-kernel - Re: [GIT PULL] MMC updates

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Date:	Wed, 09 May 2007 16:03:41 +1000
From:	Nick Piggin <nickpiggin@...oo.com.au>
To:	Pierre Ossman <drzeus-list@...eus.cx>
CC:	Linus Torvalds <torvalds@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [GIT PULL] MMC updates

Pierre Ossman wrote:
> Pierre Ossman wrote:
> 
>>Linus, please pull from
>>
>>        git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc.git for-linus
>>
> 
> 
> fsck! I pushed the wrong branch :/
> 
> This fix should have been in the last commit.
> 
> Sorry,
> 
> 
> ------------------------------------------------------------------------
> 
> commit 3b9a6d78eb439016728c598a1373b50328f5e9fe
> Author: Pierre Ossman <drzeus@...eus.cx>
> Date:   Wed May 9 07:53:28 2007 +0200
> 
>     mmc: fix wrong call to spinlock
>     
>     Fix silly typo in spinlock calls.
>     
>     Signed-off-by: Pierre Ossman <drzeus@...eus.cx>
> 
> diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
> index b6c1670..7385acf 100644
> --- a/drivers/mmc/core/core.c
> +++ b/drivers/mmc/core/core.c
> @@ -501,9 +501,9 @@ void mmc_detect_change(struct mmc_host *host, unsigned long delay)
>  {
>  #ifdef CONFIG_MMC_DEBUG
>  	unsigned long flags;
> -	spin_lock_irqsave(host->lock, flags);
> +	spin_lock_irqsave(&host->lock, flags);
>  	BUG_ON(host->removed);
> -	spin_unlock_irqrestore(host->lock, flags);
> +	spin_unlock_irqrestore(&host->lock, flags);
>  #endif

Do you actually need the lock there at all? What is it protecting?

-- 
SUSE Labs, Novell Inc.
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