From a6dfba841c4d38312115dc6b08d86cc496af7e88 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Wed, 27 Mar 2013 14:27:01 +0100 Subject: [PATCH] mac80211: remove unused IE pointers from parser There's no need to parse IEs that aren't used so just remove them. Signed-off-by: Johannes Berg --- net/mac80211/ieee80211_i.h | 9 --------- net/mac80211/util.c | 19 ------------------- 2 files changed, 28 deletions(-) diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index f9782f0..bb4bfe4 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -1157,11 +1157,8 @@ struct ieee802_11_elems { /* pointers to IEs */ const u8 *ssid; const u8 *supp_rates; - const u8 *fh_params; const u8 *ds_params; - const u8 *cf_params; const struct ieee80211_tim_ie *tim; - const u8 *ibss_params; const u8 *challenge; const u8 *rsn; const u8 *erp_info; @@ -1183,18 +1180,14 @@ struct ieee802_11_elems { const struct ieee80211_channel_sw_ie *ch_switch_ie; const u8 *country_elem; const u8 *pwr_constr_elem; - const u8 *quiet_elem; /* first quite element */ const u8 *timeout_int; const u8 *opmode_notif; /* length of them, respectively */ u8 ssid_len; u8 supp_rates_len; - u8 fh_params_len; u8 ds_params_len; - u8 cf_params_len; u8 tim_len; - u8 ibss_params_len; u8 challenge_len; u8 rsn_len; u8 erp_info_len; @@ -1207,8 +1200,6 @@ struct ieee802_11_elems { u8 prep_len; u8 perr_len; u8 country_elem_len; - u8 quiet_elem_len; - u8 num_of_quiet_elem; /* can be more the one */ u8 timeout_int_len; /* whether a parse error occurred while retrieving these elements */ diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 1734cd2..2708b27 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -738,18 +738,10 @@ u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, elems->supp_rates = pos; elems->supp_rates_len = elen; break; - case WLAN_EID_FH_PARAMS: - elems->fh_params = pos; - elems->fh_params_len = elen; - break; case WLAN_EID_DS_PARAMS: elems->ds_params = pos; elems->ds_params_len = elen; break; - case WLAN_EID_CF_PARAMS: - elems->cf_params = pos; - elems->cf_params_len = elen; - break; case WLAN_EID_TIM: if (elen >= sizeof(struct ieee80211_tim_ie)) { elems->tim = (void *)pos; @@ -757,10 +749,6 @@ u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, } else elem_parse_failed = true; break; - case WLAN_EID_IBSS_PARAMS: - elems->ibss_params = pos; - elems->ibss_params_len = elen; - break; case WLAN_EID_CHALLENGE: elems->challenge = pos; elems->challenge_len = elen; @@ -870,13 +858,6 @@ u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, } elems->ch_switch_ie = (void *)pos; break; - case WLAN_EID_QUIET: - if (!elems->quiet_elem) { - elems->quiet_elem = pos; - elems->quiet_elem_len = elen; - } - elems->num_of_quiet_elem++; - break; case WLAN_EID_COUNTRY: elems->country_elem = pos; elems->country_elem_len = elen; -- 2.7.4