From 4d375c2e51d5b3227683e3a9a198a2f003959c76 Mon Sep 17 00:00:00 2001 From: zhangyue Date: Wed, 8 Dec 2021 17:53:41 +0800 Subject: [PATCH] rsi: fix array out of bound Limit the max of 'ii'. If 'ii' greater than or equal to 'RSI_MAX_VIFS', the array 'adapter->vifs' may be out of bound Signed-off-by: zhangyue Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/20211208095341.47777-1-zhangyue1@kylinos.cn --- drivers/net/wireless/rsi/rsi_91x_mac80211.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/wireless/rsi/rsi_91x_mac80211.c b/drivers/net/wireless/rsi/rsi_91x_mac80211.c index e70c1c7f..913e11f 100644 --- a/drivers/net/wireless/rsi/rsi_91x_mac80211.c +++ b/drivers/net/wireless/rsi/rsi_91x_mac80211.c @@ -1108,6 +1108,9 @@ static int rsi_mac80211_ampdu_action(struct ieee80211_hw *hw, break; } + if (ii >= RSI_MAX_VIFS) + return status; + mutex_lock(&common->mutex); if (ssn != NULL) -- 2.7.4