Re: [PATCH 2/3] wlegacy: Remove unneeded variable and make function to be void

Kalle Valo
2019-09-12T17:46:06Z

zhong jiang <zhongjiang@huawei.com> writes:

> il4965_set_tkip_dynamic_key_info do not need return value to
> cope with different ases. And change functon return type to void.
>
> Signed-off-by: zhong jiang <zhongjiang@huawei.com>
> ---
> drivers/net/wireless/intel/iwlegacy/4965-mac.c | 8 ++------
> 1 file changed, 2 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/net/wireless/intel/iwlegacy/4965-mac.c b/drivers/net/wireless/intel/iwlegacy/4965-mac.c
> index ffb705b..a7bbfe2 100644
> --- a/drivers/net/wireless/intel/iwlegacy/4965-mac.c
> +++ b/drivers/net/wireless/intel/iwlegacy/4965-mac.c
> @@ -3326,12 +3326,11 @@ struct il_mod_params il4965_mod_params = {
> return il_send_add_sta(il, &sta_cmd, CMD_SYNC);
> }
>
> -static int
> +static void
> il4965_set_tkip_dynamic_key_info(struct il_priv *il,
> struct ieee80211_key_conf *keyconf, u8 sta_id)
> {
> unsigned long flags;
> - int ret = 0;
> __le16 key_flags = 0;
>
> key_flags |= (STA_KEY_FLG_TKIP | STA_KEY_FLG_MAP_KEY_MSK);
> @@ -3367,8 +3366,6 @@ struct il_mod_params il4965_mod_params = {
> memcpy(il->stations[sta_id].sta.key.key, keyconf->key, 16);
>
> spin_unlock_irqrestore(&il->sta_lock, flags);
> -
> - return ret;
> }
>
> void
> @@ -3483,8 +3480,7 @@ struct il_mod_params il4965_mod_params = {
> il4965_set_ccmp_dynamic_key_info(il, keyconf, sta_id);
> break;
> case WLAN_CIPHER_SUITE_TKIP:
> - ret =
> - il4965_set_tkip_dynamic_key_info(il, keyconf, sta_id);
> + il4965_set_tkip_dynamic_key_info(il, keyconf, sta_id);
> break;
> case WLAN_CIPHER_SUITE_WEP40:
> case WLAN_CIPHER_SUITE_WEP104:

To me this looks inconsistent with the rest of the cases in the switch
statement. And won't we then return the ret variable uninitalised?

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