diff options
Diffstat (limited to 'package/mac80211/patches/320-mac80211_fix_key_del_race.patch')
| -rw-r--r-- | package/mac80211/patches/320-mac80211_fix_key_del_race.patch | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/package/mac80211/patches/320-mac80211_fix_key_del_race.patch b/package/mac80211/patches/320-mac80211_fix_key_del_race.patch deleted file mode 100644 index 52803e109..000000000 --- a/package/mac80211/patches/320-mac80211_fix_key_del_race.patch +++ /dev/null @@ -1,32 +0,0 @@ -From: Johannes Berg <johannes.berg@intel.com> - -commit ad0e2b5a00dbec303e4682b403bb6703d11dcdb2 -Author: Johannes Berg <johannes.berg@intel.com> -Date: Tue Jun 1 10:19:19 2010 +0200 - - mac80211: simplify key locking - -removed the synchronization against RCU and thus -opened a race window where we can use a key for -TX while it is already freed. Put a synchronisation -into the right place to close that window. - -Reported-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> -Cc: stable@kernel.org [2.6.36+] -Signed-off-by: Johannes Berg <johannes.berg@intel.com> - ---- a/net/mac80211/key.c -+++ b/net/mac80211/key.c -@@ -382,6 +382,12 @@ static void __ieee80211_key_destroy(stru - if (!key) - return; - -+ /* -+ * Synchronize so the TX path can no longer be using -+ * this key before we free/remove it. -+ */ -+ synchronize_rcu(); -+ - if (key->local) - ieee80211_key_disable_hw_accel(key); - |