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authorJohannes Berg <johannes.berg@intel.com>2013-05-10 12:32:47 +0200
committerJohannes Berg <johannes.berg@intel.com>2013-05-25 00:02:16 +0200
commit8d61ffa5e01c5f676431d12caba17db164a48a86 (patch)
treec3df0dc13fdc8d2327712db10c1c654f428f11a3 /net/mac80211/util.c
parent5fe231e873729fa2f57cdc417d5c1f80871e2d7d (diff)
downloadblackbird-op-linux-8d61ffa5e01c5f676431d12caba17db164a48a86.tar.gz
blackbird-op-linux-8d61ffa5e01c5f676431d12caba17db164a48a86.zip
cfg80211/mac80211: use cfg80211 wdev mutex in mac80211
Using separate locks in cfg80211 and mac80211 has always caused issues, for example having to unlock in places in mac80211 to call cfg80211, which even needed a framework to make cfg80211 calls after some functions returned etc. Additionally, I suspect some issues people have reported with the cfg80211 state getting confused could be due to such issues, when cfg80211 is asking mac80211 to change state but mac80211 is in the process of telling cfg80211 that the state changed (in another way.) Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/util.c')
-rw-r--r--net/mac80211/util.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index ffdfe4bc89ad..2a8d759324c2 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1581,9 +1581,9 @@ int ieee80211_reconfig(struct ieee80211_local *local)
if (sdata->u.mgd.dtim_period)
changed |= BSS_CHANGED_DTIM_PERIOD;
- mutex_lock(&sdata->u.mgd.mtx);
+ sdata_lock(sdata);
ieee80211_bss_info_change_notify(sdata, changed);
- mutex_unlock(&sdata->u.mgd.mtx);
+ sdata_unlock(sdata);
break;
case NL80211_IFTYPE_ADHOC:
changed |= BSS_CHANGED_IBSS;
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