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Commit 5558235c authored by Johannes Berg's avatar Johannes Berg Committed by John W. Linville
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[PATCH] mac80211: conserve stack space due to padding 



This patch reorders some fields in struct ieee802_11_elems to save 17*7
or 17*3 bytes (on 64/32-bit machines respectively) stack space in a few
functions.

Signed-off-by: default avatarJohannes Berg <johannes@sipsolutions.net>
Signed-off-by: default avatarJiri Benc <jbenc@suse.cz>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 191b9266

net/mac80211/ieee80211_sta.c

+16 −13
Original line number Diff line number Diff line
@@ -76,33 +76,36 @@ static int ieee80211_sta_config_auth(struct net_device *dev, 


/* Parsed Information Elements */

struct ieee802_11_elems {

	/* pointers to IEs */

	u8 *ssid;

	u8 ssid_len;

	u8 *supp_rates;

	u8 supp_rates_len;

	u8 *fh_params;

	u8 fh_params_len;

	u8 *ds_params;

	u8 ds_params_len;

	u8 *cf_params;

	u8 cf_params_len;

	u8 *tim;

	u8 tim_len;

	u8 *ibss_params;

	u8 ibss_params_len;

	u8 *challenge;

	u8 challenge_len;

	u8 *wpa;

	u8 wpa_len;

	u8 *rsn;

	u8 rsn_len;

	u8 *erp_info;

	u8 erp_info_len;

	u8 *ext_supp_rates;

	u8 ext_supp_rates_len;

	u8 *wmm_info;

	u8 wmm_info_len;

	u8 *wmm_param;



	/* 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 wpa_len;

	u8 rsn_len;

	u8 erp_info_len;

	u8 ext_supp_rates_len;

	u8 wmm_info_len;

	u8 wmm_param_len;

};