linux-kernel - Re: [PATCH] fsi: sbefifo: Add missing mutex

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Date:   Wed, 04 Jul 2018 11:11:00 +1000
From:   Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:     Eddie James <eajames@...ux.vnet.ibm.com>,
        linux-kernel@...r.kernel.org
Cc:     openbmc@...ts.ozlabs.org, joel@....id.au
Subject: Re: [PATCH] fsi: sbefifo: Add missing mutex_unlock

On Tue, 2018-07-03 at 16:21 -0500, Eddie James wrote:
> There was no unlock of the FFDC mutex.
> 
> Fixes: 9f4a8a2d7f9d ("fsi/sbefifo: Add driver for the SBE FIFO")
> Signed-off-by: Eddie James <eajames@...ux.vnet.ibm.com>

Thanks. 

Cheers,
Ben.

> ---
>  drivers/fsi/fsi-sbefifo.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/fsi/fsi-sbefifo.c b/drivers/fsi/fsi-sbefifo.c
> index 4f076fd..a34ff99 100644
> --- a/drivers/fsi/fsi-sbefifo.c
> +++ b/drivers/fsi/fsi-sbefifo.c
> @@ -194,6 +194,7 @@ static void sbefifo_dump_ffdc(struct device *dev, const __be32 *ffdc,
>  		}
>  		dev_warn(dev, "+-------------------------------------------+\n");
>  	}
> +	mutex_unlock(&sbefifo_ffdc_mutex);
>  }
>  
>  int sbefifo_parse_status(struct device *dev, u16 cmd, __be32 *response,