netdev - Re: [PATCH RFC 1/1] net: fec: change data structure to support multiqueue

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Date:	Fri, 5 Sep 2014 17:32:40 -0300
From:	Fabio Estevam <festevam@...il.com>
To:	Frank Li <Frank.Li@...escale.com>
Cc:	Florian Fainelli <f.fainelli@...il.com>,
	Duan Fugang-B38611 <b38611@...escale.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH RFC 1/1] net: fec: change data structure to support multiqueue

On Fri, Sep 5, 2014 at 4:39 PM, Frank Li <Frank.Li@...escale.com> wrote:

> +       txq = kzalloc(sizeof(*txq), GFP_KERNEL);
> +       if (!txq)
> +               return -ENOMEM;
> +       fep->tx_queue[0] = txq;
> +
> +       rxq = kzalloc(sizeof(*rxq), GFP_KERNEL);
> +       if (!rxq) {
> +               kfree(txq);
> +               return -ENOMEM;
> +       }

....

>         /* Allocate memory for buffer descriptors. */
> -       cbd_base = dma_alloc_coherent(NULL, bd_size, &fep->bd_dma,
> +       cbd_base = dma_alloc_coherent(NULL, bd_size, &bd_dma,
>                                       GFP_KERNEL);
>         if (!cbd_base)
>                 return -ENOMEM;

You should kfree txq and rxq before returning here.
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