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>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index c707c8bf6d2c..e5fbb7cf3562 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -204,7 +204,7 @@ int mesh_rmc_check(u8 *sa, struct ieee80211s_hdr *mesh_hdr,
                         kmem_cache_free(rm_cache, p);
                         --entries;
                 } else if ((seqnum == p->seqnum) &&
-                           (memcmp(sa, p->sa, ETH_ALEN) == 0))
+                           (compare_ether_addr(sa, p->sa) == 0))
                         return -1;
         }