diff options
| author | Michael Wu <flamingice@sourmilk.net> | 2007-06-29 08:14:35 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2007-07-19 02:35:48 +0200 |
| commit | cfb7267aaba2b59374d7bc765f038698711b09d8 (patch) | |
| tree | 5ac53af4883bf52a67382a459a3df04d2623e98f /net/mac80211 | |
| parent | [PATCH] mac80211: fix GCC warning on 64bit platforms (diff) | |
| download | linux-cfb7267aaba2b59374d7bc765f038698711b09d8.tar.xz linux-cfb7267aaba2b59374d7bc765f038698711b09d8.zip | |
[PATCH] mac80211: remove rtnl locking in ieee80211_sta.c
The rtnl is held in ieee80211_sta.c to prevent some potential
configuration races with userspace. Unfortunately, it also has the
potential for deadlocks on interface down. This patch removes the
rtnl locking to eliminate the deadlocks.
Signed-off-by: Michael Wu <flamingice@sourmilk.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211')
| -rw-r--r-- | net/mac80211/ieee80211_sta.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/net/mac80211/ieee80211_sta.c b/net/mac80211/ieee80211_sta.c index ba2bf8f0a347..952d8dd0676c 100644 --- a/net/mac80211/ieee80211_sta.c +++ b/net/mac80211/ieee80211_sta.c @@ -25,7 +25,6 @@ #include <linux/wireless.h> #include <linux/random.h> #include <linux/etherdevice.h> -#include <linux/rtnetlink.h> #include <net/iw_handler.h> #include <asm/types.h> @@ -2107,12 +2106,9 @@ static int ieee80211_sta_config_auth(struct net_device *dev, struct ieee80211_sta_bss *bss, *selected = NULL; int top_rssi = 0, freq; - rtnl_lock(); - if (!ifsta->auto_channel_sel && !ifsta->auto_bssid_sel && !ifsta->auto_ssid_sel) { ifsta->state = IEEE80211_AUTHENTICATE; - rtnl_unlock(); ieee80211_sta_reset_auth(dev, ifsta); return 0; } @@ -2155,7 +2151,6 @@ static int ieee80211_sta_config_auth(struct net_device *dev, ieee80211_sta_set_bssid(dev, selected->bssid); ieee80211_rx_bss_put(dev, selected); ifsta->state = IEEE80211_AUTHENTICATE; - rtnl_unlock(); ieee80211_sta_reset_auth(dev, ifsta); return 0; } else { @@ -2166,7 +2161,6 @@ static int ieee80211_sta_config_auth(struct net_device *dev, } else ifsta->state = IEEE80211_DISABLED; } - rtnl_unlock(); return -1; } |