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>
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index c928e4a..5f8f89e 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -10,6 +10,7 @@
*/
#include <linux/export.h>
+#include <linux/etherdevice.h>
#include <net/mac80211.h>
#include <asm/unaligned.h>
#include "ieee80211_i.h"
@@ -377,7 +378,7 @@
for_each_sta_info(local, hdr->addr1, sta, tmp) {
/* skip wrong virtual interface */
- if (memcmp(hdr->addr2, sta->sdata->vif.addr, ETH_ALEN))
+ if (compare_ether_addr(hdr->addr2, sta->sdata->vif.addr))
continue;
if (info->flags & IEEE80211_TX_STATUS_EOSP)