2022-10-21 09:19:43

by Ping-Ke Shih

[permalink] [raw]
Subject: [PATCH] wifi: rtw89: check if sta's mac_id is valid under AP/TDLS

From: Zong-Zhe Yang <[email protected]>

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 <[email protected]>
Signed-off-by: Ping-Ke Shih <[email protected]>
---
drivers/net/wireless/realtek/rtw89/core.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c
index a0fa9639b5097..557a4dcde1e7d 100644
--- a/drivers/net/wireless/realtek/rtw89/core.c
+++ b/drivers/net/wireless/realtek/rtw89/core.c
@@ -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;
--
2.25.1


2022-11-01 09:34:46

by Kalle Valo

[permalink] [raw]
Subject: Re: [PATCH] wifi: rtw89: check if sta's mac_id is valid under AP/TDLS

Ping-Ke Shih <[email protected]> wrote:

> From: Zong-Zhe Yang <[email protected]>
>
> 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 <[email protected]>
> Signed-off-by: Ping-Ke Shih <[email protected]>

Patch applied to wireless-next.git, thanks.

46245bc42aff wifi: rtw89: check if sta's mac_id is valid under AP/TDLS

--
https://patchwork.kernel.org/project/linux-wireless/patch/[email protected]/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches