diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2012-03-01 15:22:09 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-03-05 15:38:31 -0500 |
| commit | 888d04dfbe7e09f930fdaafb257cce2c54c9c3f3 (patch) | |
| tree | cdf0c4d4008860fd91db31bcc620a8ecd3d95bc1 /net/mac80211/sta_info.c | |
| parent | 4d196e4b2ffd734393b54f351507462f19d737b5 (diff) | |
| download | lwn-888d04dfbe7e09f930fdaafb257cce2c54c9c3f3.tar.gz lwn-888d04dfbe7e09f930fdaafb257cce2c54c9c3f3.zip | |
mac80211: use compare_ether_addr on MAC addresses instead of memcmp
Because of the constant size and guaranteed 16 bit alignment, the inline
compare_ether_addr function is much cheaper than calling memcmp.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/sta_info.c')
| -rw-r--r-- | net/mac80211/sta_info.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index cd0f265f42e5..38137cb5f6f0 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -9,6 +9,7 @@ #include <linux/module.h> #include <linux/init.h> +#include <linux/etherdevice.h> #include <linux/netdevice.h> #include <linux/types.h> #include <linux/slab.h> @@ -101,7 +102,7 @@ struct sta_info *sta_info_get(struct ieee80211_sub_if_data *sdata, lockdep_is_held(&local->sta_mtx)); while (sta) { if (sta->sdata == sdata && - memcmp(sta->sta.addr, addr, ETH_ALEN) == 0) + compare_ether_addr(sta->sta.addr, addr) == 0) break; sta = rcu_dereference_check(sta->hnext, lockdep_is_held(&local->sta_mtx)); @@ -124,7 +125,7 @@ struct sta_info *sta_info_get_bss(struct ieee80211_sub_if_data *sdata, while (sta) { if ((sta->sdata == sdata || (sta->sdata->bss && sta->sdata->bss == sdata->bss)) && - memcmp(sta->sta.addr, addr, ETH_ALEN) == 0) + compare_ether_addr(sta->sta.addr, addr) == 0) break; sta = rcu_dereference_check(sta->hnext, lockdep_is_held(&local->sta_mtx)); |