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authorJohannes Berg <johannes@sipsolutions.net>2007-07-27 15:43:22 +0200
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-10 16:47:32 -0700
commit340e11f332c695c43f506e82b1d39d00716c5005 (patch)
tree694ba2b7f95a2463ee96462ab33dd0c30e707e06 /net/mac80211/rx.c
parent52865dfd520ddd3d1176947106759ff944f0f8af (diff)
[MAC80211]: rx cleanups (2)
Some more outdenting to make the code more readable. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Jiri Benc <jbenc@suse.cz> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/rx.c')
-rw-r--r--net/mac80211/rx.c42
1 files changed, 28 insertions, 14 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index f255579dc56..95a00eb5724 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1387,21 +1387,35 @@ void __ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb,
if (!prepres)
continue;
- if (prev) {
- skb_new = skb_copy(skb, GFP_ATOMIC);
- if (!skb_new) {
- if (net_ratelimit())
- printk(KERN_DEBUG "%s: failed to copy "
- "multicast frame for %s",
- local->mdev->name, prev->dev->name);
- continue;
- }
- rx.skb = skb_new;
- rx.dev = prev->dev;
- rx.sdata = prev;
- ieee80211_invoke_rx_handlers(local, local->rx_handlers,
- &rx, sta);
+ /*
+ * frame is destined for this interface, but if it's not
+ * also for the previous one we handle that after the
+ * loop to avoid copying the SKB once too much
+ */
+
+ if (!prev) {
+ prev = sdata;
+ continue;
}
+
+ /*
+ * frame was destined for the previous interface
+ * so invoke RX handlers for it
+ */
+
+ skb_new = skb_copy(skb, GFP_ATOMIC);
+ if (!skb_new) {
+ if (net_ratelimit())
+ printk(KERN_DEBUG "%s: failed to copy "
+ "multicast frame for %s",
+ local->mdev->name, prev->dev->name);
+ continue;
+ }
+ rx.skb = skb_new;
+ rx.dev = prev->dev;
+ rx.sdata = prev;
+ ieee80211_invoke_rx_handlers(local, local->rx_handlers,
+ &rx, sta);
prev = sdata;
}
if (prev) {