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>
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index f947ac6..a29f06c 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -509,7 +509,7 @@
if (!resp || !resp_len)
return -EINVAL;
- old = sdata->u.ap.probe_resp;
+ old = rtnl_dereference(sdata->u.ap.probe_resp);
new = dev_alloc_skb(resp_len);
if (!new)