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| author | Johannes Berg <johannes@sipsolutions.net> | 2007-07-10 19:32:09 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2007-07-12 16:07:25 -0400 |
| commit | 5558235c6bade6662e6f257a35f2dfdc8a742147 (patch) | |
| tree | 1e27576a4185fc9ef9948ec104787941f5565809 /net | |
| parent | 191b92666e3a8aa52af84e2d03350c25145be695 (diff) | |
| download | linux-5558235c6bade6662e6f257a35f2dfdc8a742147.tar.gz linux-5558235c6bade6662e6f257a35f2dfdc8a742147.tar.bz2 linux-5558235c6bade6662e6f257a35f2dfdc8a742147.zip | |
[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: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Jiri Benc <jbenc@suse.cz>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/mac80211/ieee80211_sta.c | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/net/mac80211/ieee80211_sta.c b/net/mac80211/ieee80211_sta.c index 91b545c144c1..f3ca83743b48 100644 --- a/net/mac80211/ieee80211_sta.c +++ b/net/mac80211/ieee80211_sta.c @@ -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; }; |