linux-kernel - Re: [PATCH v2] hv_netvsc: Allocate rx indirection table size dynamically

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Message-ID: <20230524075402.3a0e36bc@hermes.local>
Date:   Wed, 24 May 2023 07:54:02 -0700
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     Shradha Gupta <shradhagupta@...ux.microsoft.com>
Cc:     linux-kernel@...r.kernel.org, linux-hyperv@...r.kernel.org,
        netdev@...r.kernel.org, Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Wei Liu <wei.liu@...nel.org>, Dexuan Cui <decui@...rosoft.com>,
        Long Li <longli@...rosoft.com>,
        Michael Kelley <mikelley@...rosoft.com>,
        "David S. Miller" <davem@...emloft.net>,
        Steen Hegelund <steen.hegelund@...rochip.com>,
        Simon Horman <simon.horman@...igine.com>
Subject: Re: [PATCH v2] hv_netvsc: Allocate rx indirection table size
 dynamically

On Wed, 24 May 2023 02:57:10 -0700
Shradha Gupta <shradhagupta@...ux.microsoft.com> wrote:

> @@ -1034,7 +1035,9 @@ struct net_device_context {
>  
>  	u32 tx_table[VRSS_SEND_TAB_SIZE];
>  
> -	u16 rx_table[ITAB_NUM];
> +	u16 *rx_table;
> +
> +	int rx_table_sz;
Size should never be negative, use u32 or u16 here?