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authorJohannes Berg <johannes.berg@intel.com>2020-04-17 11:18:31 +0200
committerJohannes Berg <johannes.berg@intel.com>2020-04-24 11:46:17 +0200
commit90e8f58dfc04d1bd48ca155cc55ebf7ba1824864 (patch)
tree894f317e0bcfd4b105154ed58bf9015a942ec098 /net/mac80211
parent1db364c88695272e3410eb4b5d4595c8cb15db30 (diff)
downloadlinux-90e8f58dfc04d1bd48ca155cc55ebf7ba1824864.tar.gz
linux-90e8f58dfc04d1bd48ca155cc55ebf7ba1824864.tar.xz
mac80211: fix drv_config_iface_filter() behaviour
There are two bugs with this, first, it shouldn't be called on an interface that's down, and secondly, it should then be called when the interface comes up. Note that the currently only user (iwlwifi) doesn't seem to care about either of these scenarios. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Link: https://lore.kernel.org/r/20200417111830.401d82c7a0bf.I5dc7d718816460c2d8d89c7af6c215f9e2b3078f@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/cfg.c15
-rw-r--r--net/mac80211/iface.c5
2 files changed, 14 insertions, 6 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 0f72813fed53..b90f2131ec7a 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -3421,12 +3421,15 @@ static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
if (!local->open_count)
break;
- if (sdata->vif.probe_req_reg == 1)
- drv_config_iface_filter(local, sdata, FIF_PROBE_REQ,
- FIF_PROBE_REQ);
- else if (sdata->vif.probe_req_reg == 0)
- drv_config_iface_filter(local, sdata, 0,
- FIF_PROBE_REQ);
+ if (ieee80211_sdata_running(sdata)) {
+ if (sdata->vif.probe_req_reg == 1)
+ drv_config_iface_filter(local, sdata,
+ FIF_PROBE_REQ,
+ FIF_PROBE_REQ);
+ else if (sdata->vif.probe_req_reg == 0)
+ drv_config_iface_filter(local, sdata, 0,
+ FIF_PROBE_REQ);
+ }
ieee80211_configure_filter(local);
break;
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index d069825705d6..f900c84fb40f 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -644,6 +644,11 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
local->fif_probe_req++;
}
+ if (sdata->vif.probe_req_reg)
+ drv_config_iface_filter(local, sdata,
+ FIF_PROBE_REQ,
+ FIF_PROBE_REQ);
+
if (sdata->vif.type != NL80211_IFTYPE_P2P_DEVICE &&
sdata->vif.type != NL80211_IFTYPE_NAN)
changed |= ieee80211_reset_erp_info(sdata);