Re: [PATCH v2] rsi: remove set but not used variable 'header_size'

From: Siva Rebbagondla
Date: Fri Aug 31 2018 - 23:42:17 EST


On Fri, Aug 31, 2018 at 4:45 PM YueHaibing <yuehaibing@xxxxxxxxxx> wrote:
>
> Fixes gcc '-Wunused-but-set-variable' warning:
>
> drivers/net/wireless/rsi/rsi_91x_hal.c: In function 'rsi_send_data_pkt':
> drivers/net/wireless/rsi/rsi_91x_hal.c:288:5: warning:
> variable 'header_size' set but not used [-Wunused-but-set-variable]
>
> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
> ---
> v2: remove unused 'tx_params'
> ---
> drivers/net/wireless/rsi/rsi_91x_hal.c | 4 ----
> 1 file changed, 4 deletions(-)
>
> diff --git a/drivers/net/wireless/rsi/rsi_91x_hal.c b/drivers/net/wireless/rsi/rsi_91x_hal.c
> index 01edf96..182b066 100644
> --- a/drivers/net/wireless/rsi/rsi_91x_hal.c
> +++ b/drivers/net/wireless/rsi/rsi_91x_hal.c
> @@ -282,10 +282,8 @@ int rsi_send_data_pkt(struct rsi_common *common, struct sk_buff *skb)
> struct rsi_hw *adapter = common->priv;
> struct ieee80211_vif *vif;
> struct ieee80211_tx_info *info;
> - struct skb_info *tx_params;
> struct ieee80211_bss_conf *bss;
> int status = -EINVAL;
> - u8 header_size;
>
> if (!skb)
> return 0;
> @@ -297,8 +295,6 @@ int rsi_send_data_pkt(struct rsi_common *common, struct sk_buff *skb)
> goto err;
> vif = info->control.vif;
> bss = &vif->bss_conf;
> - tx_params = (struct skb_info *)info->driver_data;
> - header_size = tx_params->internal_hdr_size;
Yes, These redundant variables shall be removed.
>
> if (((vif->type == NL80211_IFTYPE_STATION) ||
> (vif->type == NL80211_IFTYPE_P2P_CLIENT)) &&
> --
> 2.7.0
>
>
Also, Patch title also can be changed to "[v2] rsi: remove unused variables"

Thanks,
Siva Rebbagondla