Commit 7fa322c8 authored Oct 25, 2013 by Johannes Berg

nl80211: check nla_nest_start() return value



Coverity pointed out that we might dereference NULL later
if nla_nest_start() returns a failure. This isn't really
true since we'd bomb out before, but we should check the
return value directly, so do that.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

parent 9fe271af

net/wireless/nl80211.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -11094,6 +11094,8 @@ void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev,
		struct nlattr *reasons;

		reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS);
		if (!reasons)
		goto free_msg;

		if (wakeup->disconnect &&
		nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT))