From: Ding Tianhong <dingtianhong@huawei.com>
To: Johannes Berg <johannes@sipsolutions.net>,
"John W. Linville" <linville@tuxdriver.com>,
"David S. Miller" <davem@davemloft.net>,
<linux-wireless@vger.kernel.org>, Netdev <netdev@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: [PATCH 13/21] mac8011: slight optimization of addr compare
Date: Mon, 23 Dec 2013 13:10:50 +0800 [thread overview]
Message-ID: <52B7C5DA.9090307@huawei.com> (raw)
Use the recently added and possibly more efficient
ether_addr_equal_unaligned to instead of memcmp.
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: John W. Linville <linville@tuxdriver.com>
Cc: David Miller <davem@davemloft.net>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Wang Weidong <wangweidong1@huawei.com>
Signed-off-by: Ding Tianhong <dingtianhong@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
next reply other threads:[~2013-12-23 5:11 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-23 5:10 Ding Tianhong [this message]
2014-01-06 15:21 ` [PATCH 13/21] mac8011: slight optimization of addr compare Johannes Berg
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=52B7C5DA.9090307@huawei.com \
--to=dingtianhong@huawei.com \
--cc=davem@davemloft.net \
--cc=johannes@sipsolutions.net \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-wireless@vger.kernel.org \
--cc=linville@tuxdriver.com \
--cc=netdev@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.