Re: [PATCH][next] net: systemport: fix double shift of a vlan_tci by VLAN_PRIO_SHIFT

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From: Colin King <colin.king@xxxxxxxxxxxxx>
Date: Wed,  8 Jul 2020 19:37:23 +0100

> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> 
> Currently the u16 skb->vlan_tci is being right  shifted twice by
> VLAN_PRIO_SHIFT, once in the macro skb_vlan_tag_get_pri and explicitly
> by VLAN_PRIO_SHIFT afterwards. The combined shift amount is larger than
> the u16 so the end result is always zero.  Remove the second explicit
> shift as this is extraneous.
> 
> Fixes: 6e9fdb60d362 ("net: systemport: Add support for VLAN transmit acceleration")
> Addresses-Coverity: ("Operands don't affect result")
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>

Applied to net-next, thanks.



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