linux-kernel - Re: [PATCH] dmaengine: at_xdmac: unlock spin lock before return

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Date:	Fri, 17 Apr 2015 23:39:59 +0530
From:	Vinod Koul <vinod.koul@...el.com>
To:	Niklas Cassel <niklas.cassel@...s.com>
Cc:	ludovic.desroches@...el.com, dmaengine@...r.kernel.org,
	linux-kernel@...r.kernel.org, Niklas Cassel <niklass@...s.com>
Subject: Re: [PATCH] dmaengine: at_xdmac: unlock spin lock before return

On Tue, Apr 07, 2015 at 04:42:45PM +0200, Niklas Cassel wrote:
> Signed-off-by: Niklas Cassel <niklass@...s.com>
> ---
>  drivers/dma/at_xdmac.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
> index d9891d3..933e4b3 100644
> --- a/drivers/dma/at_xdmac.c
> +++ b/drivers/dma/at_xdmac.c
> @@ -1154,8 +1154,10 @@ static int at_xdmac_device_resume(struct dma_chan *chan)
>  	dev_dbg(chan2dev(chan), "%s\n", __func__);
>  
>  	spin_lock_bh(&atchan->lock);
> -	if (!at_xdmac_chan_is_paused(atchan))
> +	if (!at_xdmac_chan_is_paused(atchan)) {
> +		spin_unlock_bh(&atchan->lock);
>  		return 0;
> +	}
>  
>  	at_xdmac_write(atxdmac, AT_XDMAC_GRWR, atchan->mask);
>  	clear_bit(AT_XDMAC_CHAN_IS_PAUSED, &atchan->status);
> -- 
> 2.1.4
> 

Applied now
-- 
~Vinod
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