]> git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/commit - net/mac80211/mlme.c
mac80211: RCU-ify STA info structure access
authorJohannes Berg <johannes@sipsolutions.net>
Mon, 25 Feb 2008 15:27:46 +0000 (16:27 +0100)
committerJohn W. Linville <linville@tuxdriver.com>
Thu, 6 Mar 2008 20:30:46 +0000 (15:30 -0500)
commitd0709a65181beb787ef3f58cfe45536a2bb254c8
tree29e5f36583b0e0a3f11b291347e57672eab41dad
parent5cf121c3cdb955583bf0c5d28c992b7968a4aa1a
mac80211: RCU-ify STA info structure access

This makes access to the STA hash table/list use RCU to protect
against freeing of items. However, it's not a true RCU, the
copy step is missing: whenever somebody changes a STA item it
is simply updated. This is an existing race condition that is
now somewhat understandable.

This patch also fixes the race key freeing vs. STA destruction
by making sure that sta_info_destroy() is always called under
RTNL and frees the key.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
25 files changed:
drivers/net/wireless/iwlwifi/iwl-3945-rs.c
drivers/net/wireless/iwlwifi/iwl-4965-rs.c
net/mac80211/cfg.c
net/mac80211/debugfs_sta.c
net/mac80211/debugfs_sta.h
net/mac80211/ieee80211.c
net/mac80211/ieee80211_i.h
net/mac80211/ieee80211_iface.c
net/mac80211/ieee80211_ioctl.c
net/mac80211/ieee80211_rate.c
net/mac80211/ieee80211_rate.h
net/mac80211/ieee80211_sta.c
net/mac80211/key.c
net/mac80211/mesh.c
net/mac80211/mesh.h
net/mac80211/mesh_hwmp.c
net/mac80211/mesh_pathtbl.c
net/mac80211/mesh_plink.c
net/mac80211/rc80211_pid_algo.c
net/mac80211/rc80211_simple.c
net/mac80211/rx.c
net/mac80211/sta_info.c
net/mac80211/sta_info.h
net/mac80211/tx.c
net/mac80211/wme.c