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| author | Christian Lamparter <chunkeey@googlemail.com> | 2011-06-30 21:08:43 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-07-05 15:26:53 -0400 |
| commit | 5e34069cc4cf0d38abfc38e19ad4715036de1540 (patch) | |
| tree | f0f0e4805bcc088c7820068c3c306998b3915693 /net/mac80211 | |
| parent | 1205f5438f5a9a2dad3a29aa1c015e7bbd3b2b2b (diff) | |
| download | lwn-5e34069cc4cf0d38abfc38e19ad4715036de1540.tar.gz lwn-5e34069cc4cf0d38abfc38e19ad4715036de1540.zip | |
mac80211: fix smatch complains
mlme.c
l.757 ieee80211_dynamic_ps_enable_work(11)
variable dereferenced before check 'sdata'
mesh_pathtbl.c
l.650 mesh_path_del(20) double lock 'bottom_half'
l.663 mesh_path_del(33) double unlock 'bottom_half'
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211')
| -rw-r--r-- | net/mac80211/mesh_pathtbl.c | 4 | ||||
| -rw-r--r-- | net/mac80211/mlme.c | 4 |
2 files changed, 5 insertions, 3 deletions
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c index 0d2faacc3e87..068ee6518254 100644 --- a/net/mac80211/mesh_pathtbl.c +++ b/net/mac80211/mesh_pathtbl.c @@ -647,12 +647,12 @@ int mesh_path_del(u8 *addr, struct ieee80211_sub_if_data *sdata) mpath = node->mpath; if (mpath->sdata == sdata && memcmp(addr, mpath->dst, ETH_ALEN) == 0) { - spin_lock_bh(&mpath->state_lock); + spin_lock(&mpath->state_lock); mpath->flags |= MESH_PATH_RESOLVING; hlist_del_rcu(&node->list); call_rcu(&node->rcu, mesh_path_node_reclaim); atomic_dec(&tbl->entries); - spin_unlock_bh(&mpath->state_lock); + spin_unlock(&mpath->state_lock); goto enddel; } } diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index b87420088c33..182cda66ebef 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -749,7 +749,7 @@ void ieee80211_dynamic_ps_enable_work(struct work_struct *work) container_of(work, struct ieee80211_local, dynamic_ps_enable_work); struct ieee80211_sub_if_data *sdata = local->ps_sdata; - struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; + struct ieee80211_if_managed *ifmgd; unsigned long flags; int q; @@ -757,6 +757,8 @@ void ieee80211_dynamic_ps_enable_work(struct work_struct *work) if (!sdata) return; + ifmgd = &sdata->u.mgd; + if (local->hw.conf.flags & IEEE80211_CONF_PS) return; |