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wifi: rtw89: check if sta's mac_id is valid under AP/TDLS

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Add boundary check of mac_id when adding sta under AP/TDLS.
And, return -ENOSPC if the acquired mac_id is invalid.

Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20221021091828.40157-1-pkshih@realtek.com
This commit is contained in:
Zong-Zhe Yang 2022-10-21 17:18:28 +08:00 committed by Kalle Valo
parent 25f49617b5
commit 46245bc42a
1 changed files with 2 additions and 0 deletions
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2
drivers/net/wireless/realtek/rtw89/core.c
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@ -2413,6 +2413,8 @@ int rtw89_core_sta_add(struct rtw89_dev *rtwdev,
} else if (vif->type == NL80211_IFTYPE_AP || sta->tdls) {
rtwsta->mac_id = rtw89_core_acquire_bit_map(rtwdev->mac_id_map,
RTW89_MAX_MAC_ID_NUM);
if (rtwsta->mac_id == RTW89_MAX_MAC_ID_NUM)
return -ENOSPC;
}
return 0;