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-rw-r--r--include/net/cfg802154.h2
-rw-r--r--net/ieee802154/core.c2
-rw-r--r--net/ieee802154/nl-phy.c6
-rw-r--r--net/mac802154/iface.c7
-rw-r--r--net/mac802154/mib.c4
5 files changed, 5 insertions, 16 deletions
diff --git a/include/net/cfg802154.h b/include/net/cfg802154.h
index 11bbf17ad865..c6aa1d210182 100644
--- a/include/net/cfg802154.h
+++ b/include/net/cfg802154.h
@@ -121,8 +121,6 @@ enum wpan_phy_flags {
};
struct wpan_phy {
- struct mutex pib_lock;
-
/* If multiple wpan_phys are registered and you're handed e.g.
* a regular netdev with assigned ieee802154_ptr, you won't
* know whether it points to a wpan_phy your driver has registered
diff --git a/net/ieee802154/core.c b/net/ieee802154/core.c
index 2ee00e8a0308..b0248e934230 100644
--- a/net/ieee802154/core.c
+++ b/net/ieee802154/core.c
@@ -121,8 +121,6 @@ wpan_phy_new(const struct cfg802154_ops *ops, size_t priv_size)
/* atomic_inc_return makes it start at 1, make it start at 0 */
rdev->wpan_phy_idx--;
- mutex_init(&rdev->wpan_phy.pib_lock);
-
INIT_LIST_HEAD(&rdev->wpan_dev_list);
device_initialize(&rdev->wpan_phy.dev);
dev_set_name(&rdev->wpan_phy.dev, PHY_NAME "%d", rdev->wpan_phy_idx);
diff --git a/net/ieee802154/nl-phy.c b/net/ieee802154/nl-phy.c
index cbc0d09351e0..77d73014bde3 100644
--- a/net/ieee802154/nl-phy.c
+++ b/net/ieee802154/nl-phy.c
@@ -50,7 +50,7 @@ static int ieee802154_nl_fill_phy(struct sk_buff *msg, u32 portid,
if (!hdr)
goto out;
- mutex_lock(&phy->pib_lock);
+ rtnl_lock();
if (nla_put_string(msg, IEEE802154_ATTR_PHY_NAME, wpan_phy_name(phy)) ||
nla_put_u8(msg, IEEE802154_ATTR_PAGE, phy->current_page) ||
nla_put_u8(msg, IEEE802154_ATTR_CHANNEL, phy->current_channel))
@@ -63,13 +63,13 @@ static int ieee802154_nl_fill_phy(struct sk_buff *msg, u32 portid,
nla_put(msg, IEEE802154_ATTR_CHANNEL_PAGE_LIST,
pages * sizeof(uint32_t), buf))
goto nla_put_failure;
- mutex_unlock(&phy->pib_lock);
+ rtnl_unlock();
kfree(buf);
genlmsg_end(msg, hdr);
return 0;
nla_put_failure:
- mutex_unlock(&phy->pib_lock);
+ rtnl_unlock();
genlmsg_cancel(msg, hdr);
out:
kfree(buf);
diff --git a/net/mac802154/iface.c b/net/mac802154/iface.c
index 2a5878889289..22f478be7489 100644
--- a/net/mac802154/iface.c
+++ b/net/mac802154/iface.c
@@ -242,7 +242,6 @@ static int mac802154_wpan_open(struct net_device *dev)
struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
struct ieee802154_local *local = sdata->local;
struct wpan_dev *wpan_dev = &sdata->wpan_dev;
- struct wpan_phy *phy = sdata->local->phy;
rc = ieee802154_check_concurrent_iface(sdata, sdata->vif.type);
if (rc < 0)
@@ -252,8 +251,6 @@ static int mac802154_wpan_open(struct net_device *dev)
if (rc < 0)
return rc;
- mutex_lock(&phy->pib_lock);
-
if (local->hw.flags & IEEE802154_HW_PROMISCUOUS) {
rc = drv_set_promiscuous_mode(local,
wpan_dev->promiscuous_mode);
@@ -295,11 +292,7 @@ static int mac802154_wpan_open(struct net_device *dev)
goto out;
}
- mutex_unlock(&phy->pib_lock);
- return 0;
-
out:
- mutex_unlock(&phy->pib_lock);
return rc;
}
diff --git a/net/mac802154/mib.c b/net/mac802154/mib.c
index 5cf019a57fd7..033dfc7755c6 100644
--- a/net/mac802154/mib.c
+++ b/net/mac802154/mib.c
@@ -91,16 +91,16 @@ void mac802154_dev_set_page_channel(struct net_device *dev, u8 page, u8 chan)
struct ieee802154_local *local = sdata->local;
int res;
+ ASSERT_RTNL();
+
BUG_ON(dev->type != ARPHRD_IEEE802154);
res = drv_set_channel(local, page, chan);
if (res) {
pr_debug("set_channel failed\n");
} else {
- mutex_lock(&local->phy->pib_lock);
local->phy->current_channel = chan;
local->phy->current_page = page;
- mutex_unlock(&local->phy->pib_lock);
}
}