diff options
| author | Jukka Rissanen <jukka.rissanen@linux.intel.com> | 2014-12-15 13:25:38 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2014-12-18 14:38:09 +0100 |
| commit | 31a60ed1e95ab8afbadb65599bef12b195080a0c (patch) | |
| tree | 0be2e75a0554a2c1e1c01c6708af80c7388b6e74 /include/net | |
| parent | 0f8b82456178d558f14011e06ebf9af937c4b197 (diff) | |
nl80211: Convert sched_scan_req pointer to RCU pointer
Because of possible races when accessing sched_scan_req pointer in
rdev, the sched_scan_req is converted to RCU pointer.
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/cfg80211.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 4bc1fc9971a5..45d4d7292e53 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -1516,6 +1516,7 @@ struct cfg80211_match_set { * @mac_addr_mask: MAC address mask used with randomisation, bits that * are 0 in the mask should be randomised, bits that are 1 should * be taken from the @mac_addr + * @rcu_head: RCU callback used to free the struct */ struct cfg80211_sched_scan_request { struct cfg80211_ssid *ssids; @@ -1537,6 +1538,7 @@ struct cfg80211_sched_scan_request { struct wiphy *wiphy; struct net_device *dev; unsigned long scan_start; + struct rcu_head rcu_head; /* keep last */ struct ieee80211_channel *channels[0]; |