linux-kernel - Re: [PATCHv2] Checks for Null value in function *get

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Message-ID: <539F0774.5030909@opengridcomputing.com>
Date:	Mon, 16 Jun 2014 10:04:20 -0500
From:	Steve Wise <swise@...ngridcomputing.com>
To:	Nicholas Krause <xerofoify@...il.com>, swise@...lsio.com
CC:	roland@...nel.org, sean.hefty@...el.com, hal.rosenstock@...il.com,
	linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCHv2] Checks for Null value in function *get_skub

On 6/16/2014 10:03 AM, Nicholas Krause wrote:
> Signed-off-by: Nicholas Krause <xerofoify@...il.com>
> ---
>   drivers/infiniband/hw/cxgb4/cm.c | 8 +++-----
>   1 file changed, 3 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
> index f9477e2..2d56983 100644
> --- a/drivers/infiniband/hw/cxgb4/cm.c
> +++ b/drivers/infiniband/hw/cxgb4/cm.c
> @@ -340,15 +340,13 @@ static int status2errno(int status)
>    */
>   static struct sk_buff *get_skb(struct sk_buff *skb, int len, gfp_t gfp)
>   {
>   if (skb && !skb_is_nonlinear(skb) && !skb_cloned(skb)) {
>                  skb_trim(skb, 0);
>                  skb_get(skb);
>                  skb_reset_transport_header(skb);
>   	} else {
> +		if (!skb)
> +			kfree(skb);
>   		skb = alloc_skb(len, gfp);
>   	}
>   	t4_set_arp_err_handler(skb, NULL, NULL);

Should be 'if (skb)'

:)


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