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| author |   David S. Miller <davem@davemloft.net> | 2020-05-25 18:18:26 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-05-25 18:18:26 -0700 |
| commit | 1a6da4fcdd02d5cb2c1deaec1a5cc2b06efd2a4d (patch) | |
| tree | c5133e472598e32052c2de95c1fd277191a527bf /net | |
| parent | qlcnic: fix missing release in qlcnic_83xx_interrupt_test. (diff) | |
| parent | cfg80211: fix debugfs rename crash (diff) | |
| download | wireguard-linux-1a6da4fcdd02d5cb2c1deaec1a5cc2b06efd2a4d.tar.xz wireguard-linux-1a6da4fcdd02d5cb2c1deaec1a5cc2b06efd2a4d.zip | |
Merge tag 'mac80211-for-net-2020-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
Johannes Berg says:
====================
A few changes:
* fix a debugfs vs. wiphy rename crash
* fix an invalid HE spec definition
* fix a mesh timer crash
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/mac80211/mesh_hwmp.c | 7 | ||||
| -rw-r--r-- | net/wireless/core.c | 2 |
2 files changed, 8 insertions, 1 deletions
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c index 38a0383dfbcf..aa5150929996 100644 --- a/net/mac80211/mesh_hwmp.c +++ b/net/mac80211/mesh_hwmp.c @@ -1103,7 +1103,14 @@ void mesh_path_start_discovery(struct ieee80211_sub_if_data *sdata) mesh_path_sel_frame_tx(MPATH_PREQ, 0, sdata->vif.addr, ifmsh->sn, target_flags, mpath->dst, mpath->sn, da, 0, ttl, lifetime, 0, ifmsh->preq_id++, sdata); + + spin_lock_bh(&mpath->state_lock); + if (mpath->flags & MESH_PATH_DELETED) { + spin_unlock_bh(&mpath->state_lock); + goto enddiscovery; + } mod_timer(&mpath->timer, jiffies + mpath->discovery_timeout); + spin_unlock_bh(&mpath->state_lock); enddiscovery: rcu_read_unlock(); diff --git a/net/wireless/core.c b/net/wireless/core.c index 341402b4f178..ce024440fa51 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -142,7 +142,7 @@ int cfg80211_dev_rename(struct cfg80211_registered_device *rdev, if (result) return result; - if (rdev->wiphy.debugfsdir) + if (!IS_ERR_OR_NULL(rdev->wiphy.debugfsdir)) debugfs_rename(rdev->wiphy.debugfsdir->d_parent, rdev->wiphy.debugfsdir, rdev->wiphy.debugfsdir->d_parent, newname); |