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mac80211: fix drv_config_iface_filter() behaviour

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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>
This commit is contained in:
Johannes Berg 2020-04-17 11:18:31 +02:00
parent 1db364c886
commit 90e8f58dfc
2 changed files with 14 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
net/mac80211/cfg.c
View File

@ -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;

5
net/mac80211/iface.c
View File

@ -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);