jeltz/hostap
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

nl80211: Verify radar event attributes exist before using them

Browse source 
While these attributes may be expected to be present always, this needs
to be verified within driver_nl80211.c since we cannot depend on the
kernel/driver working correctly.

Signed-hostap: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2013-11-02 20:39:57 +02:00
parent b5476d940e
commit 884f1a3c65
1 changed files with 6 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
src/drivers/driver_nl80211.c
View file

@ -2564,8 +2564,11 @@ static void nl80211_radar_event(struct wpa_driver_nl80211_data *drv,
} }
/* Get VHT params */ /* Get VHT params */
if (tb[NL80211_ATTR_CHANNEL_WIDTH])
data.dfs_event.chan_width = data.dfs_event.chan_width =
convert2width(nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH])); convert2width(nla_get_u32(
tb[NL80211_ATTR_CHANNEL_WIDTH]));
if (tb[NL80211_ATTR_CENTER_FREQ1])
data.dfs_event.cf1 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]); data.dfs_event.cf1 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
if (tb[NL80211_ATTR_CENTER_FREQ2]) if (tb[NL80211_ATTR_CENTER_FREQ2])
data.dfs_event.cf2 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]); data.dfs_event.cf2 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);