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mac802154: remove pib lock

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This patch removes the pib lock which is now replaced by rtnl lock. The
new interface already use the rtnl lock only. Nevertheless this patch
will fix issues while using new and old interface at the same time.

Signed-off-by: Alexander Aring <[email protected]>
Reviewed-by: Stefan Schmidt <[email protected]>
Signed-off-by: Marcel Holtmann <[email protected]>
This commit is contained in:
Alexander Aring 2015-05-22 17:43:52 +02:00 • committed by Marcel Holtmann
commit 4a3a8c0c3a
5 changed files with 5 additions and 16 deletions
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2
net/ieee802154/core.c
View file

@ -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);

6
net/ieee802154/nl-phy.c
View file

@ -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);