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| author | Jukka Rissanen <jukka.rissanen@linux.intel.com> | 2014-12-15 14:25:39 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2014-12-18 16:38:44 +0300 |
| commit | 93a1e86ce10e4898f9ca9cd09d659a8a7780ee5e (patch) | |
| tree | 42155b15af02c90d9c824ffbc2d3ad8b6d4a9b34 /net/wireless/core.c | |
| parent | 31a60ed1e95ab8afbadb65599bef12b195080a0c (diff) | |
| download | linux-93a1e86ce10e4898f9ca9cd09d659a8a7780ee5e.tar.xz | |
nl80211: Stop scheduled scan if netlink client disappears
An attribute NL80211_ATTR_SOCKET_OWNER can be set by the scan initiator.
If present, the attribute will cause the scan to be stopped if the client
dies.
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless/core.c')
| -rw-r--r-- | net/wireless/core.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c index 0743449405ca..456e4c38c279 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -321,6 +321,20 @@ static void cfg80211_destroy_iface_wk(struct work_struct *work) rtnl_unlock(); } +static void cfg80211_sched_scan_stop_wk(struct work_struct *work) +{ + struct cfg80211_registered_device *rdev; + + rdev = container_of(work, struct cfg80211_registered_device, + sched_scan_stop_wk); + + rtnl_lock(); + + __cfg80211_stop_sched_scan(rdev, false); + + rtnl_unlock(); +} + /* exported functions */ struct wiphy *wiphy_new_nm(const struct cfg80211_ops *ops, int sizeof_priv, @@ -407,6 +421,7 @@ use_default_name: INIT_LIST_HEAD(&rdev->destroy_list); spin_lock_init(&rdev->destroy_list_lock); INIT_WORK(&rdev->destroy_work, cfg80211_destroy_iface_wk); + INIT_WORK(&rdev->sched_scan_stop_wk, cfg80211_sched_scan_stop_wk); #ifdef CONFIG_CFG80211_DEFAULT_PS rdev->wiphy.flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; @@ -787,6 +802,7 @@ void wiphy_unregister(struct wiphy *wiphy) flush_work(&rdev->event_work); cancel_delayed_work_sync(&rdev->dfs_update_channels_wk); flush_work(&rdev->destroy_work); + flush_work(&rdev->sched_scan_stop_wk); #ifdef CONFIG_PM if (rdev->wiphy.wowlan_config && rdev->ops->set_wakeup) |