diff options
Diffstat (limited to 'package/kernel/mac80211/patches/312-mac80211-fix-txq-queue-related-crashes.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/312-mac80211-fix-txq-queue-related-crashes.patch | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/package/kernel/mac80211/patches/312-mac80211-fix-txq-queue-related-crashes.patch b/package/kernel/mac80211/patches/312-mac80211-fix-txq-queue-related-crashes.patch deleted file mode 100644 index 61cafc7625..0000000000 --- a/package/kernel/mac80211/patches/312-mac80211-fix-txq-queue-related-crashes.patch +++ /dev/null @@ -1,27 +0,0 @@ -From: Michal Kazior <michal.kazior@tieto.com> -Date: Thu, 21 Jan 2016 14:23:07 +0100 -Subject: [PATCH] mac80211: fix txq queue related crashes - -The driver can access the queue simultanously -while mac80211 tears down the interface. Without -spinlock protection this could lead to corrupting -sk_buff_head and subsequently to an invalid -pointer dereference. - -Fixes: ba8c3d6f16a1 ("mac80211: add an intermediate software queue implementation") -Signed-off-by: Michal Kazior <michal.kazior@tieto.com> ---- - ---- a/net/mac80211/iface.c -+++ b/net/mac80211/iface.c -@@ -977,7 +977,10 @@ static void ieee80211_do_stop(struct iee - if (sdata->vif.txq) { - struct txq_info *txqi = to_txq_info(sdata->vif.txq); - -+ spin_lock_bh(&txqi->queue.lock); - ieee80211_purge_tx_queue(&local->hw, &txqi->queue); -+ spin_unlock_bh(&txqi->queue.lock); -+ - atomic_set(&sdata->txqs_len[txqi->txq.ac], 0); - } - |