]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commitdiff
rsi: fix array out of bound
authorzhangyue <zhangyue1@kylinos.cn>
Wed, 8 Dec 2021 09:53:41 +0000 (17:53 +0800)
committerKalle Valo <kvalo@kernel.org>
Wed, 15 Dec 2021 14:28:26 +0000 (16:28 +0200)
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@kylinos.cn>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20211208095341.47777-1-zhangyue1@kylinos.cn
drivers/net/wireless/rsi/rsi_91x_mac80211.c

index e70c1c7fdf59560f1031e564d69f02e4844fd14e..913e11fb38072cee37f482ab67143381811fa614 100644 (file)
@@ -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)