Re: [PATCH 13/21] mac8011: slight optimization of addr compare

2014-01-06 Thread Johannes Berg
On Mon, 2013-12-23 at 13:10 +0800, Ding Tianhong wrote:
> Use the recently added and possibly more efficient
> ether_addr_equal_unaligned to instead of memcmp.

> - if (memcmp(local->hw.wiphy->addresses[i].addr,
> -sdata->vif.addr, ETH_ALEN) == 0) {
> + if 
> (ether_addr_equal_unaligned(local->hw.wiphy->addresses[i].addr, 
> sdata->vif.addr)) {

This clearly should have some linebreaks.

This code also doesn't care all that much about efficiency, so not sure
it's worth it at all.

johannes

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Re: [PATCH 13/21] mac8011: slight optimization of addr compare

2014-01-06 Thread Johannes Berg
On Mon, 2013-12-23 at 13:10 +0800, Ding Tianhong wrote:
 Use the recently added and possibly more efficient
 ether_addr_equal_unaligned to instead of memcmp.

 - if (memcmp(local-hw.wiphy-addresses[i].addr,
 -sdata-vif.addr, ETH_ALEN) == 0) {
 + if 
 (ether_addr_equal_unaligned(local-hw.wiphy-addresses[i].addr, 
 sdata-vif.addr)) {

This clearly should have some linebreaks.

This code also doesn't care all that much about efficiency, so not sure
it's worth it at all.

johannes

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[PATCH 13/21] mac8011: slight optimization of addr compare

2013-12-22 Thread Ding Tianhong
Use the recently added and possibly more efficient
ether_addr_equal_unaligned to instead of memcmp.

Cc: Johannes Berg 
Cc: John W. Linville 
Cc: David Miller 
Cc: linux-wirel...@vger.kernel.org
Cc: net...@vger.kernel.org
Signed-off-by: Wang Weidong 
Signed-off-by: Ding Tianhong 
---
 net/mac80211/iface.c | 6 ++
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 7aa9f9d..1773e17 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -1497,8 +1497,7 @@ static void ieee80211_assign_perm_addr(struct 
ieee80211_local *local,
bool used = false;
 
list_for_each_entry(sdata, >interfaces, list) {
-   if (memcmp(local->hw.wiphy->addresses[i].addr,
-  sdata->vif.addr, ETH_ALEN) == 0) {
+   if 
(ether_addr_equal_unaligned(local->hw.wiphy->addresses[i].addr, 
sdata->vif.addr)) {
used = true;
break;
}
@@ -1558,8 +1557,7 @@ static void ieee80211_assign_perm_addr(struct 
ieee80211_local *local,
val += inc;
 
list_for_each_entry(sdata, >interfaces, list) {
-   if (memcmp(tmp_addr, sdata->vif.addr,
-   ETH_ALEN) == 0) {
+   if (ether_addr_equal_unaligned(tmp_addr, 
sdata->vif.addr)) {
used = true;
break;
}
-- 
1.8.0


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[PATCH 13/21] mac8011: slight optimization of addr compare

2013-12-22 Thread Ding Tianhong
Use the recently added and possibly more efficient
ether_addr_equal_unaligned to instead of memcmp.

Cc: Johannes Berg johan...@sipsolutions.net
Cc: John W. Linville linvi...@tuxdriver.com
Cc: David Miller da...@davemloft.net
Cc: linux-wirel...@vger.kernel.org
Cc: net...@vger.kernel.org
Signed-off-by: Wang Weidong wangweido...@huawei.com
Signed-off-by: Ding Tianhong dingtianh...@huawei.com
---
 net/mac80211/iface.c | 6 ++
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 7aa9f9d..1773e17 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -1497,8 +1497,7 @@ static void ieee80211_assign_perm_addr(struct 
ieee80211_local *local,
bool used = false;
 
list_for_each_entry(sdata, local-interfaces, list) {
-   if (memcmp(local-hw.wiphy-addresses[i].addr,
-  sdata-vif.addr, ETH_ALEN) == 0) {
+   if 
(ether_addr_equal_unaligned(local-hw.wiphy-addresses[i].addr, 
sdata-vif.addr)) {
used = true;
break;
}
@@ -1558,8 +1557,7 @@ static void ieee80211_assign_perm_addr(struct 
ieee80211_local *local,
val += inc;
 
list_for_each_entry(sdata, local-interfaces, list) {
-   if (memcmp(tmp_addr, sdata-vif.addr,
-   ETH_ALEN) == 0) {
+   if (ether_addr_equal_unaligned(tmp_addr, 
sdata-vif.addr)) {
used = true;
break;
}
-- 
1.8.0


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