From afa762f6871a8cb05fbef5d0f83fac14304aa816 Mon Sep 17 00:00:00 2001 From: Eliad Peller Date: Mon, 23 Apr 2012 14:45:15 +0300 Subject: mac80211: call ieee80211_mgd_stop() on interface stop ieee80211_mgd_teardown() is called on netdev removal, which occurs after the vif was already removed from the low-level driver, resulting in the following warning: [ 4809.014734] ------------[ cut here ]------------ [ 4809.019861] WARNING: at net/mac80211/driver-ops.h:12 ieee80211_bss_info_change_notify+0x200/0x2c8 [mac80211]() [ 4809.030388] wlan0: Failed check-sdata-in-driver check, flags: 0x4 [ 4809.036862] Modules linked in: wlcore_sdio(-) wl12xx wlcore mac80211 cfg80211 [last unloaded: cfg80211] [ 4809.046849] [] (unwind_backtrace+0x0/0x12c) [ 4809.055937] [] (dump_stack+0x20/0x24) [ 4809.065385] [] (warn_slowpath_common+0x5c/0x74) [ 4809.075589] [] (warn_slowpath_fmt+0x40/0x48) [ 4809.088291] [] (ieee80211_bss_info_change_notify+0x200/0x2c8 [mac80211]) [ 4809.102844] [] (ieee80211_destroy_auth_data+0x80/0xa4 [mac80211]) [ 4809.116276] [] (ieee80211_mgd_teardown+0x5c/0x74 [mac80211]) [ 4809.129331] [] (ieee80211_teardown_sdata+0xb0/0xd8 [mac80211]) [ 4809.141595] [] (rollback_registered_many+0x228/0x2f0) [ 4809.153056] [] (unregister_netdevice_many+0x28/0x50) [ 4809.165696] [] (ieee80211_remove_interfaces+0xb4/0xdc [mac80211]) [ 4809.179151] [] (ieee80211_unregister_hw+0x50/0xf0 [mac80211]) [ 4809.191043] [] (wlcore_remove+0x5c/0x7c [wlcore]) [ 4809.201491] [] (platform_drv_remove+0x24/0x28) [ 4809.212029] [] (__device_release_driver+0x8c/0xcc) [ 4809.222738] [] (device_release_driver+0x30/0x3c) [ 4809.233099] [] (bus_remove_device+0x10c/0x128) [ 4809.242620] [] (device_del+0x11c/0x17c) [ 4809.252150] [] (platform_device_del+0x28/0x68) [ 4809.263051] [] (wl1271_remove+0x3c/0x50 [wlcore_sdio]) [ 4809.273590] [] (sdio_bus_remove+0x48/0xf8) [ 4809.283754] [] (__device_release_driver+0x8c/0xcc) [ 4809.293729] [] (driver_detach+0x9c/0xc4) [ 4809.303163] [] (bus_remove_driver+0xc4/0xf4) [ 4809.312973] [] (driver_unregister+0x70/0x7c) [ 4809.323220] [] (sdio_unregister_driver+0x24/0x2c) [ 4809.334213] [] (wl1271_exit+0x14/0x1c [wlcore_sdio]) [ 4809.344930] [] (sys_delete_module+0x228/0x2a8) [ 4809.354734] ---[ end trace 515290ccf5feb522 ]--- Rename ieee80211_mgd_teardown() to ieee80211_mgd_stop(), and call it on ieee80211_do_stop(). Signed-off-by: Eliad Peller Signed-off-by: John W. Linville --- net/mac80211/mlme.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'net/mac80211/mlme.c') diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index f76da5b3f5c..20c680bfc3a 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -3497,7 +3497,7 @@ int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, return 0; } -void ieee80211_mgd_teardown(struct ieee80211_sub_if_data *sdata) +void ieee80211_mgd_stop(struct ieee80211_sub_if_data *sdata) { struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; -- cgit v1.2.3-70-g09d2