From: Dmitry Antipov dmantipov@yandex.ru
[ Upstream commit 786c5be9ac29a39b6f37f1fdd2ea59d0fe35d525 ]
In 'ieee80211_beacon_get_ap()', free allocated skb in case of error returned by 'ieee80211_beacon_protect()'. Compile tested only.
Signed-off-by: Dmitry Antipov dmantipov@yandex.ru Link: https://patch.msgid.link/20240805142035.227847-1-dmantipov@yandex.ru Signed-off-by: Johannes Berg johannes.berg@intel.com Signed-off-by: Sasha Levin sashal@kernel.org --- net/mac80211/tx.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index edba4a31844fb..bca7b341dd772 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -5348,8 +5348,10 @@ ieee80211_beacon_get_ap(struct ieee80211_hw *hw, if (beacon->tail) skb_put_data(skb, beacon->tail, beacon->tail_len);
- if (ieee80211_beacon_protect(skb, local, sdata, link) < 0) + if (ieee80211_beacon_protect(skb, local, sdata, link) < 0) { + dev_kfree_skb(skb); return NULL; + }
ieee80211_beacon_get_finish(hw, vif, link, offs, beacon, skb, chanctx_conf, csa_off_base);