Commit 95bca62f authored by Johannes Berg's avatar Johannes Berg

nl80211: check nla_parse_nested() return values

At the very least we should check the return value if
nla_parse_nested() is called with a non-NULL policy.
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 188f60ab
......@@ -10949,9 +10949,12 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
rem) {
u8 *mask_pat;
nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat,
nl80211_packet_pattern_policy,
info->extack);
err = nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat,
nl80211_packet_pattern_policy,
info->extack);
if (err)
goto error;
err = -EINVAL;
if (!pat_tb[NL80211_PKTPAT_MASK] ||
!pat_tb[NL80211_PKTPAT_PATTERN])
......@@ -11200,8 +11203,11 @@ static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
rem) {
u8 *mask_pat;
nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat,
nl80211_packet_pattern_policy, NULL);
err = nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat,
nl80211_packet_pattern_policy, NULL);
if (err)
return err;
if (!pat_tb[NL80211_PKTPAT_MASK] ||
!pat_tb[NL80211_PKTPAT_PATTERN])
return -EINVAL;
......
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