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Message-ID: <53E7D587.9040303@gmail.com>
Date: Sun, 10 Aug 2014 22:26:47 +0200
From: Daniel Mack <zonque@...il.com>
To: Himangi Saraogi <himangi774@...il.com>,
"David S. Miller" <davem@...emloft.net>,
Olof Johansson <olof@...om.net>,
Dan Carpenter <dan.carpenter@...cle.com>,
Felipe Balbi <balbi@...com>, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org
CC: Julia Lawall <julia.lawall@...6.fr>
Subject: Re: [PATCH] drivers: net: davinci_cpdma: drop devm_kfree of devm_kzalloc'd
data
On 08/10/2014 09:58 PM, Himangi Saraogi wrote:
> devm_kfree should not have to be explicitly used.
>
> The Coccinelle semantic patch that fixes this problem is as follows:
>
> // <smpl>
> @@
> expression x,d;
> @@
>
> x = devm_kzalloc(...)
> ...
> ?-devm_kfree(d,x);
> // </smpl>
>
> Signed-off-by: Himangi Saraogi <himangi774@...il.com>
> Acked-by: Julia Lawall <julia.lawall@...6.fr>
Acked-by: Daniel Mack <zonque@...il.com>
However, you need to resend this patch after 3.17-rc1 has been released
and the net-next branch was opened again.
Thanks,
Daniel
> ---
> drivers/net/ethernet/ti/davinci_cpdma.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/ti/davinci_cpdma.c b/drivers/net/ethernet/ti/davinci_cpdma.c
> index 4a000f6..af673f5 100644
> --- a/drivers/net/ethernet/ti/davinci_cpdma.c
> +++ b/drivers/net/ethernet/ti/davinci_cpdma.c
> @@ -512,7 +512,6 @@ struct cpdma_chan *cpdma_chan_create(struct cpdma_ctlr *ctlr, int chan_num,
> spin_lock_irqsave(&ctlr->lock, flags);
> if (ctlr->channels[chan_num]) {
> spin_unlock_irqrestore(&ctlr->lock, flags);
> - devm_kfree(ctlr->dev, chan);
> return ERR_PTR(-EBUSY);
> }
>
>
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