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authorJohannes Berg <johannes@sipsolutions.net>2008-02-25 16:27:47 +0100
committerJohn W. Linville <linville@tuxdriver.com>2008-03-06 15:30:47 -0500
commit73651ee6396c499ccb59ebc84c9274db01ed026d (patch)
tree1d59027cbdaec732f3e1378770cbf7b42b48cd70 /net/mac80211/mesh.h
parentd0709a65181beb787ef3f58cfe45536a2bb254c8 (diff)
downloadop-kernel-dev-73651ee6396c499ccb59ebc84c9274db01ed026d.zip
op-kernel-dev-73651ee6396c499ccb59ebc84c9274db01ed026d.tar.gz
mac80211: split sta_info_add
sta_info_add() has two functions: allocating a station info structure and inserting it into the hash table/list. Splitting these two functions allows allocating with GFP_KERNEL in many places instead of GFP_ATOMIC which is now required by the RCU protection. Additionally, in many places RCU protection is now no longer needed at all because between sta_info_alloc() and sta_info_insert() the caller owns the structure. This fixes a few race conditions with setting initial flags and similar, but not all (see comments in ieee80211_sta.c and cfg.c). More documentation on the existing races will be in a follow-up patch. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/mesh.h')
-rw-r--r--net/mac80211/mesh.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index 576eee8..aee0b9e 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -232,8 +232,8 @@ void mesh_neighbour_update(u8 *hw_addr, u64 rates, struct net_device *dev,
bool mesh_peer_accepts_plinks(struct ieee802_11_elems *ie,
struct net_device *dev);
void mesh_accept_plinks_update(struct ieee80211_sub_if_data *sdata);
-struct sta_info *mesh_plink_add(u8 *hw_addr, u64 rates,
- struct ieee80211_sub_if_data *sdata);
+struct sta_info *mesh_plink_alloc(struct ieee80211_sub_if_data *sdata,
+ u8 *hw_addr, u64 rates, gfp_t gfp);
void mesh_plink_broken(struct sta_info *sta);
void mesh_plink_deactivate(struct sta_info *sta);
int mesh_plink_open(struct sta_info *sta);
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