Re: [PATCH net-next] cxgb4: Check for kvzalloc allocation failure

From: David Miller
Date: Thu May 24 2018 - 10:15:11 EST


From: YueHaibing <yuehaibing@xxxxxxxxxx>
Date: Tue, 22 May 2018 15:07:18 +0800

> diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
> index 130d1ee..019cffe 100644
> --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
> +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
> @@ -4135,6 +4135,10 @@ static int adap_init0(struct adapter *adap)
> * card
> */
> card_fw = kvzalloc(sizeof(*card_fw), GFP_KERNEL);
> + if (!card_fw) {
> + ret = -ENOMEM;
> + goto bye;
> + }
>

On error, this leaks fw_info.