[PATCH net-next 14/15] mac802154: remove unnecessary spinlocks
DORMANTno replies
From: Tony Cheneau <hidden>
Date: 2012-10-23 04:09:56
Subsystem:
ieee 802.15.4 subsystem, networking [general], the rest · Maintainers:
Alexander Aring, Stefan Schmidt, Miquel Raynal, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
These spinlock protects an int variable, that is always accessible in an atomic fashion. Signed-off-by: Tony Cheneau <redacted> --- net/mac802154/mib.c | 14 ++------------ 1 files changed, 2 insertions(+), 12 deletions(-)
diff --git a/net/mac802154/mib.c b/net/mac802154/mib.c
index f47781a..2339f8d 100644
--- a/net/mac802154/mib.c
+++ b/net/mac802154/mib.c@@ -103,15 +103,10 @@ void mac802154_dev_set_short_addr(struct net_device *dev, u16 val) u16 mac802154_dev_get_short_addr(const struct net_device *dev) { struct mac802154_sub_if_data *priv = netdev_priv(dev); - u16 ret; BUG_ON(dev->type != ARPHRD_IEEE802154); - spin_lock_bh(&priv->mib_lock); - ret = priv->short_addr; - spin_unlock_bh(&priv->mib_lock); - - return ret; + return priv->short_addr; } void mac802154_dev_set_ieee_addr(struct net_device *dev)
@@ -131,15 +126,10 @@ void mac802154_dev_set_ieee_addr(struct net_device *dev) u16 mac802154_dev_get_pan_id(const struct net_device *dev) { struct mac802154_sub_if_data *priv = netdev_priv(dev); - u16 ret; BUG_ON(dev->type != ARPHRD_IEEE802154); - spin_lock_bh(&priv->mib_lock); - ret = priv->pan_id; - spin_unlock_bh(&priv->mib_lock); - - return ret; + return priv->pan_id; } void mac802154_dev_set_pan_id(struct net_device *dev, u16 val)
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1.7.8.6
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