Commit f724828b authored Nov 19, 2011 by Arik Nemtsov Committed by John W. Linville Nov 28, 2011

mac80211: dereference RCU protected probe_resp pointer correctly



This fixes a sparse warning:

cfg.c:502:13: warning: incorrect type in assignment (different address spaces)
cfg.c:502:13:    expected struct sk_buff *old
cfg.c:502:13:    got struct sk_buff [noderef] <asn:4>*probe_resp

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

parent 6674f210

net/mac80211/cfg.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -509,7 +509,7 @@ static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
	if (!resp \|\| !resp_len)		if (!resp \|\| !resp_len)
	return -EINVAL;		return -EINVAL;

	old = sdata->u.ap.probe_resp;		old = rtnl_dereference(sdata->u.ap.probe_resp);

	new = dev_alloc_skb(resp_len);		new = dev_alloc_skb(resp_len);
	if (!new)		if (!new)