6.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Johannes Berg <johannes.berg@xxxxxxxxx> [ Upstream commit b7793a1a2f370c28b17d9554b58e9dc51afcfcbd ] For simplicity, we may want to pass a NULL element, and while we should then pass also a zero length, just be a bit more careful here. Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx> Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@xxxxxxxxx> Link: https://msgid.link/20240318184907.4d983653cb8d.Ic3ea99b60c61ac2f7d38cb9fd202a03c97a05601@changeid Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- include/linux/ieee80211.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h index ac5be38d8aaf0..4fd9735bb75e5 100644 --- a/include/linux/ieee80211.h +++ b/include/linux/ieee80211.h @@ -5166,7 +5166,7 @@ static inline bool ieee80211_mle_size_ok(const u8 *data, size_t len) bool check_common_len = false; u16 control; - if (len < fixed) + if (!data || len < fixed) return false; control = le16_to_cpu(mle->control); -- 2.43.0
