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iwlwifi: simplify code in iwlagn_key_sta_id 

Simplify the code by returning directly in the
error case and replacing the switch/if with a
single if statement.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2012-03-05 11:24:22 -08:00 committed by John W. Linville
parent 71cb99241d
commit 40e4e6868c
1 changed files with 4 additions and 17 deletions
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21
drivers/net/wireless/iwlwifi/iwl-agn-sta.c
View File

@ -1080,32 +1080,19 @@ static u8 iwlagn_key_sta_id(struct iwl_priv *priv,
struct ieee80211_sta *sta)
{
struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
u8 sta_id = IWL_INVALID_STATION;
if (sta)
sta_id = iwl_sta_id(sta);
return iwl_sta_id(sta);
/*
* The device expects GTKs for station interfaces to be
* installed as GTKs for the AP station. If we have no
* station ID, then use the ap_sta_id in that case.
*/
if (!sta && vif && vif_priv->ctx) {
switch (vif->type) {
case NL80211_IFTYPE_STATION:
sta_id = vif_priv->ctx->ap_sta_id;
break;
default:
/*
* In all other cases, the key will be
* used either for TX only or is bound
* to a station already.
*/
break;
}
}
if (vif->type == NL80211_IFTYPE_STATION && vif_priv->ctx)
return vif_priv->ctx->ap_sta_id;
return sta_id;
return IWL_INVALID_STATION;
}
static int iwlagn_send_sta_key(struct iwl_priv *priv,