[PATCH] rsi: fix array out of bound
From: zhangyue
Date: Wed Dec 08 2021 - 19:57:15 EST
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 <zhangyue1@xxxxxxxxxx>
---
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 e70c1c7fdf59..913e11fb3807 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)
--
2.30.0