netdev - Re: [PATCH net-next 1/4] cxgb4: Use mask & shift while returning vlan

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Message-Id: <20151216.190733.272791166074460566.davem@davemloft.net>
Date:	Wed, 16 Dec 2015 19:07:33 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	hariprasad@...lsio.com
Cc:	netdev@...r.kernel.org, leedom@...lsio.com, nirranjan@...lsio.com
Subject: Re: [PATCH net-next 1/4] cxgb4: Use mask & shift while returning
 vlan_prio

From: Hariprasad Shenai <hariprasad@...lsio.com>
Date: Wed, 16 Dec 2015 13:16:25 +0530

> @@ -66,7 +66,7 @@ struct l2t_data {
>  
>  static inline unsigned int vlan_prio(const struct l2t_entry *e)
>  {
> -	return e->vlan >> 13;
> +	return (e->vlan & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT;

e->vlan is a u16, the vlan priotity is the top 3 bits of the 16-bit
value, and finally the right shift will be non-signed.

Therefore this change is absolutely not necessary.

Please remove this patch from the series and resend.
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