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nl80211: Verify that ifindex attribute is included in survey

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This checks if the NL80211_ATTR_IFINDEX attribute is present before
trying to get the value of interface index.

Signed-hostap: Shital Jaju <shitalj@broadcom.com>
This commit is contained in:
Shital Jaju 2014-01-30 13:44:07 +02:00 committed by Jouni Malinen
parent 4701f379f0
commit e28f39b7e9
1 changed files with 3 additions and 0 deletions
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3
src/drivers/driver_nl80211.c
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@ -10619,6 +10619,9 @@ static int survey_handler(struct nl_msg *msg, void *arg)
nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
genlmsg_attrlen(gnlh, 0), NULL);
if (!tb[NL80211_ATTR_IFINDEX])
return NL_SKIP;
ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
if (!tb[NL80211_ATTR_SURVEY_INFO])