linux-kernel - Re: [PATCH] Net, libertas: Resolve memory leak in if_spi_host_to

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Date:	Mon, 14 Nov 2011 16:43:10 -0600
From:	Dan Williams <dcbw@...hat.com>
To:	Jesper Juhl <jj@...osbits.net>
Cc:	libertas-dev@...ts.infradead.org, linux-wireless@...r.kernel.org,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>,
	Andrey Yurovsky <andrey@...ybit.com>,
	Colin McCabe <colin@...ybit.com>,
	"John W. Linville" <linville@...driver.com>
Subject: Re: [PATCH] Net, libertas: Resolve memory leak in
 if_spi_host_to_card()

On Sun, 2011-11-13 at 22:14 +0100, Jesper Juhl wrote:
> If we hit the default case in the switch in if_spi_host_to_card() we'll leak
> the memory we allocated for 'packet'. This patch resolves the leak by freeing
> the allocated memory in that case.
> 
> Signed-off-by: Jesper Juhl <jj@...osbits.net>

Acked-by: Dan Williams <dcbw@...hat.com>

> ---
>  drivers/net/wireless/libertas/if_spi.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
> 
>  Compile tested only due to lack of hardware.
> 
> diff --git a/drivers/net/wireless/libertas/if_spi.c b/drivers/net/wireless/libertas/if_spi.c
> index 11b69b3..728baa4 100644
> --- a/drivers/net/wireless/libertas/if_spi.c
> +++ b/drivers/net/wireless/libertas/if_spi.c
> @@ -995,6 +995,7 @@ static int if_spi_host_to_card(struct lbs_private *priv,
>  		spin_unlock_irqrestore(&card->buffer_lock, flags);
>  		break;
>  	default:
> +		kfree(packet);
>  		netdev_err(priv->dev, "can't transfer buffer of type %d\n",
>  			   type);
>  		err = -EINVAL;
> -- 
> 1.7.7.3
> 
> 


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