Re: [PATCH net-next] net: dsa: sja1105: remove set but not used variables 'tx_vid' and 'rx_vid'

From: Vladimir Oltean
Date: Wed Aug 07 2019 - 09:20:00 EST


On Wed, 7 Aug 2019 at 16:09, YueHaibing <yuehaibing@xxxxxxxxxx> wrote:
>
> Fixes gcc '-Wunused-but-set-variable' warning:
>
> drivers/net/dsa/sja1105/sja1105_main.c: In function sja1105_fdb_dump:
> drivers/net/dsa/sja1105/sja1105_main.c:1226:14: warning:
> variable tx_vid set but not used [-Wunused-but-set-variable]
> drivers/net/dsa/sja1105/sja1105_main.c:1226:6: warning:
> variable rx_vid set but not used [-Wunused-but-set-variable]
>
> They are not used since commit 6d7c7d948a2e ("net: dsa:
> sja1105: Fix broken learning with vlan_filtering disabled")
>
> Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
> ---

Reviewed-by: Vladimir Oltean <olteanv@xxxxxxxxx>

> drivers/net/dsa/sja1105/sja1105_main.c | 4 ----
> 1 file changed, 4 deletions(-)
>
> diff --git a/drivers/net/dsa/sja1105/sja1105_main.c b/drivers/net/dsa/sja1105/sja1105_main.c
> index d073baf..df976b25 100644
> --- a/drivers/net/dsa/sja1105/sja1105_main.c
> +++ b/drivers/net/dsa/sja1105/sja1105_main.c
> @@ -1223,12 +1223,8 @@ static int sja1105_fdb_dump(struct dsa_switch *ds, int port,
> {
> struct sja1105_private *priv = ds->priv;
> struct device *dev = ds->dev;
> - u16 rx_vid, tx_vid;
> int i;
>
> - rx_vid = dsa_8021q_rx_vid(ds, port);
> - tx_vid = dsa_8021q_tx_vid(ds, port);
> -
> for (i = 0; i < SJA1105_MAX_L2_LOOKUP_COUNT; i++) {
> struct sja1105_l2_lookup_entry l2_lookup = {0};
> u8 macaddr[ETH_ALEN];
> --
> 2.7.4
>
>