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Subject[PATCH 2/3] [net/core] merge dev_unicast_discard and dev_mc_discard into one
Date
this two functions could share the dev->_xmit_lock acquired context.

Signed-off-by: Denis Cheng <crquan@gmail.com>
---
net/core/dev.c | 16 ++++------------
1 files changed, 4 insertions(+), 12 deletions(-)

diff --git a/net/core/dev.c b/net/core/dev.c
index 3ba63aa..17c9cbd 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2777,23 +2777,16 @@ int dev_unicast_add(struct net_device *dev, void *addr, int alen)
}
EXPORT_SYMBOL(dev_unicast_add);

-static void dev_unicast_discard(struct net_device *dev)
+static void dev_addr_discard(struct net_device *dev)
{
netif_tx_lock_bh(dev);
+
__dev_addr_discard(&dev->uc_list);
dev->uc_count = 0;
- netif_tx_unlock_bh(dev);
-}

-/*
- * Discard multicast list when a device is downed
- */
-
-static void dev_mc_discard(struct net_device *dev)
-{
- netif_tx_lock_bh(dev);
__dev_addr_discard(&dev->mc_list);
dev->mc_count = 0;
+
netif_tx_unlock_bh(dev);
}

@@ -3751,8 +3744,7 @@ void unregister_netdevice(struct net_device *dev)
/*
* Flush the unicast and multicast chains
*/
- dev_unicast_discard(dev);
- dev_mc_discard(dev);
+ dev_addr_discard(dev);

if (dev->uninit)
dev->uninit(dev);
--
1.5.2.2
-
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