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wifi: mac80211: Fix HE capabilities element check

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The element data length check did not account for the extra
octet used for the extension ID. Fix it.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250907115109.8da0012e2286.I8c0c69a0011f7153c13b365b14dfef48cfe7c3e3@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Ilan Peer 2025-09-07 11:51:17 +03:00 committed by Johannes Berg
parent 906a5a8c71
commit ea928544f3
1 changed files with 1 additions and 1 deletions
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2
net/mac80211/mlme.c
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@ -5725,7 +5725,7 @@ static u8 ieee80211_max_rx_chains(struct ieee80211_link_data *link,
he_cap_elem = cfg80211_find_ext_elem(WLAN_EID_EXT_HE_CAPABILITY,
ies->data, ies->len);
if (!he_cap_elem || he_cap_elem->datalen < sizeof(*he_cap))
if (!he_cap_elem || he_cap_elem->datalen < sizeof(*he_cap) + 1)
return chains;
/* skip one byte ext_tag_id */