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[PATCH] mac80211: conserve stack space due to padding

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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: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Jiri Benc <jbenc@suse.cz>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2007-07-10 19:32:09 +02:00 committed by John W. Linville
parent 191b92666e
commit 5558235c6b
1 changed files with 16 additions and 13 deletions
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29
net/mac80211/ieee80211_sta.c
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@ -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;
};