[PATCH 08/21] ozwpan: slight optimization of addr compare

[Ding Tianhong]

Use the recently added and possibly more efficient
ether_addr_equal_unaligned to instead of memcmp.

Cc: Rupesh Gujare <rupesh.gujare@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: devel@xxxxxxxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Signed-off-by: Tan Xiaojun <tanxiaojun@xxxxxxxxxx>
Signed-off-by: Ding Tianhong <dingtianhong@xxxxxxxxxx>
---
 drivers/staging/ozwpan/ozcdev.c  | 3 ++-
 drivers/staging/ozwpan/ozproto.c | 6 ++++--
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/ozwpan/ozcdev.c b/drivers/staging/ozwpan/ozcdev.c
index 6ce0af9..4a64262 100644
--- a/drivers/staging/ozwpan/ozcdev.c
+++ b/drivers/staging/ozwpan/ozcdev.c
@@ -448,7 +448,8 @@ int oz_cdev_start(struct oz_pd *pd, int resume)
 	}
 	spin_lock(&g_cdev.lock);
 	if ((g_cdev.active_pd == NULL) &&
-		(memcmp(pd->mac_addr, g_cdev.active_addr, ETH_ALEN) == 0)) {
+		(ether_addr_equal_unaligned(pd->mac_addr,
+					    g_cdev.active_addr))) {
 		oz_pd_get(pd);
 		g_cdev.active_pd = pd;
 		oz_dbg(ON, "Active PD arrived\n");
diff --git a/drivers/staging/ozwpan/ozproto.c b/drivers/staging/ozwpan/ozproto.c
index 88714ec..9a70591 100644
--- a/drivers/staging/ozwpan/ozproto.c
+++ b/drivers/staging/ozwpan/ozproto.c
@@ -9,6 +9,7 @@
 #include <linux/timer.h>
 #include <linux/sched.h>
 #include <linux/netdevice.h>
+#include <linux/etherdevice.h>
 #include <linux/errno.h>
 #include <linux/ieee80211.h>
 #include "ozdbg.h"
@@ -180,7 +181,8 @@ static struct oz_pd *oz_connect_req(struct oz_pd *cur_pd, struct oz_elt *elt,
 		spin_lock_bh(&g_polling_lock);
 		list_for_each(e, &g_pd_list) {
 			pd2 = container_of(e, struct oz_pd, link);
-			if (memcmp(pd2->mac_addr, pd_addr, ETH_ALEN) == 0) {
+			if (ether_addr_equal_unaligned(pd2->mac_addr,
+						       pd_addr)) {
 				free_pd = pd;
 				pd = pd2;
 				break;
@@ -597,7 +599,7 @@ struct oz_pd *oz_pd_find(const u8 *mac_addr)
 	spin_lock_bh(&g_polling_lock);
 	list_for_each(e, &g_pd_list) {
 		pd = container_of(e, struct oz_pd, link);
-		if (memcmp(pd->mac_addr, mac_addr, ETH_ALEN) == 0) {
+		if (ether_addr_equal_unaligned(pd->mac_addr, mac_addr)) {
 			atomic_inc(&pd->ref_count);
 			spin_unlock_bh(&g_polling_lock);
 			return pd;
-- 
1.8.0

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