diff options
| author | Juuso Oikarinen <juuso.oikarinen@nokia.com> | 2010-03-18 12:26:45 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-03-23 16:50:25 -0400 |
| commit | 2ea9fb3d79aac371e5bb0c4b0f5be7195e8fcd33 (patch) | |
| tree | 04fac29aa5185bcd72f495cedfc4e07dc1b11ccc | |
| parent | a0cb7be4f4fa765dcfa82675811cd7e7713b5610 (diff) | |
wl1271: Remove circular interlocking related to the inetaddr notifier chain
Removing the wl1271 from the inet addr notifier chain sometimes causes the
registered handler to be called - causing locking problems if the removing
function is called from within the mutex.
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/wl12xx/wl1271_main.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c index 6f6d366491a..0bebc456ec0 100644 --- a/drivers/net/wireless/wl12xx/wl1271_main.c +++ b/drivers/net/wireless/wl12xx/wl1271_main.c @@ -1029,12 +1029,13 @@ static void wl1271_op_remove_interface(struct ieee80211_hw *hw, struct wl1271 *wl = hw->priv; int i; + unregister_inetaddr_notifier(&wl1271_dev_notifier); + mutex_lock(&wl->mutex); wl1271_debug(DEBUG_MAC80211, "mac80211 remove interface"); wl1271_info("down"); - unregister_inetaddr_notifier(&wl1271_dev_notifier); list_del(&wl->list); WARN_ON(wl->state != WL1271_STATE_ON); |