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author | Ingo Molnar | 2013-04-19 13:03:08 +0200 |
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committer | Ingo Molnar | 2013-04-19 13:03:08 +0200 |
commit | 5379f8c0d72cab43bbe6d974ceb3ad84dddc2b8e (patch) | |
tree | 524d8ac34cc8c7ef68b43e3ee6e08e27db86299c /net/mac80211/offchannel.c | |
parent | Merge tag 'please-pull-cmci_rediscover' of git://git.kernel.org/pub/scm/linux... (diff) | |
parent | amd64_edac: Add Family 16h support (diff) | |
download | kernel-qcow2-linux-5379f8c0d72cab43bbe6d974ceb3ad84dddc2b8e.tar.gz kernel-qcow2-linux-5379f8c0d72cab43bbe6d974ceb3ad84dddc2b8e.tar.xz kernel-qcow2-linux-5379f8c0d72cab43bbe6d974ceb3ad84dddc2b8e.zip |
Merge tag 'edac_amd_f16h' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras into x86/ras
Pull AMD F16h support for amd64_edac from Borislav Petkov.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/mac80211/offchannel.c')
-rw-r--r-- | net/mac80211/offchannel.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c index cc79b4a2e821..430bd254e496 100644 --- a/net/mac80211/offchannel.c +++ b/net/mac80211/offchannel.c @@ -297,10 +297,13 @@ void ieee80211_start_next_roc(struct ieee80211_local *local) } } -void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc) +void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc, bool free) { struct ieee80211_roc_work *dep, *tmp; + if (WARN_ON(roc->to_be_freed)) + return; + /* was never transmitted */ if (roc->frame) { cfg80211_mgmt_tx_status(&roc->sdata->wdev, @@ -316,9 +319,12 @@ void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc) GFP_KERNEL); list_for_each_entry_safe(dep, tmp, &roc->dependents, list) - ieee80211_roc_notify_destroy(dep); + ieee80211_roc_notify_destroy(dep, true); - kfree(roc); + if (free) + kfree(roc); + else + roc->to_be_freed = true; } void ieee80211_sw_roc_work(struct work_struct *work) @@ -331,6 +337,9 @@ void ieee80211_sw_roc_work(struct work_struct *work) mutex_lock(&local->mtx); + if (roc->to_be_freed) + goto out_unlock; + if (roc->abort) goto finish; @@ -370,7 +379,7 @@ void ieee80211_sw_roc_work(struct work_struct *work) finish: list_del(&roc->list); started = roc->started; - ieee80211_roc_notify_destroy(roc); + ieee80211_roc_notify_destroy(roc, !roc->abort); if (started) { drv_flush(local, false); @@ -410,7 +419,7 @@ static void ieee80211_hw_roc_done(struct work_struct *work) list_del(&roc->list); - ieee80211_roc_notify_destroy(roc); + ieee80211_roc_notify_destroy(roc, true); /* if there's another roc, start it now */ ieee80211_start_next_roc(local); @@ -460,12 +469,14 @@ void ieee80211_roc_purge(struct ieee80211_sub_if_data *sdata) list_for_each_entry_safe(roc, tmp, &tmp_list, list) { if (local->ops->remain_on_channel) { list_del(&roc->list); - ieee80211_roc_notify_destroy(roc); + ieee80211_roc_notify_destroy(roc, true); } else { ieee80211_queue_delayed_work(&local->hw, &roc->work, 0); /* work will clean up etc */ flush_delayed_work(&roc->work); + WARN_ON(!roc->to_be_freed); + kfree(roc); } } |