[PATCH] MTD: add missing put_chip() in cfi_intelext_reset()

[Antonio Ospite]

On Fri, 23 Oct 2009 16:02:42 -0400 (EDT)
Nicolas Pitre <nico at fluxnic.net> wrote:

> 
> Signed-off-by: Nicolas Pitre <nico at fluxnic.net>
> 
> ---
> 
> On Fri, 23 Oct 2009, Antonio Ospite wrote:
> 
> > Hi,
> > 
> > I am attaching a trace of a possible recursive locking in
> > cfi_cmdset_0001.c
> 
> This patch should fix it.
> 
> diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
> index e7563a9..d923a2d 100644
> --- a/drivers/mtd/chips/cfi_cmdset_0001.c
> +++ b/drivers/mtd/chips/cfi_cmdset_0001.c
> @@ -2564,6 +2564,7 @@ static int cfi_intelext_reset(struct mtd_info *mtd)
>  		if (!ret) {
>  			map_write(map, CMD(0xff), chip->start);
>  			chip->state = FL_SHUTDOWN;
> +			put_chip(map, chip, chip->start);
>  		}
>  		spin_unlock(chip->mutex);
>  	}

I've just tested this and it seems to fix the issue, indeed.

Many thanks,
   Antonio

-- 
Antonio Ospite
http://ao2.it

PGP public key ID: 0x4553B001

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