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rtlwifi: Fix leak of skb when processing C2H_BT_INFO

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commit 8cfa272b0d upstream.

With commit 0a9f8f0a1b ("rtlwifi: fix btmpinfo timeout while processing
C2H_BT_INFO"), calling rtl_c2hcmd_enqueue() with rtl_c2h_fast_cmd() true,
the routine returns without freeing that skb, thereby leaking it.

This issue has been discussed at https://github.com/lwfinger/rtlwifi_new/issues/401
and the fix tested there.

Fixes: 0a9f8f0a1b ("rtlwifi: fix btmpinfo timeout while processing C2H_BT_INFO")
Reported-and-tested-by: Francisco Machado Magalhães Neto <franmagneto@gmail.com>
Cc: Francisco Machado Magalhães Neto <franmagneto@gmail.com>
Cc: Ping-Ke Shih <pkshih@realtek.com>
Cc: Stable <stable@vger.kernel.org> # 4.18+
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Larry Finger
2018-11-17 20:55:03 -06:00
committed by Greg Kroah-Hartman
parent 5ecdfbb0d9
commit fed44d6cb1
1 changed files with 1 additions and 0 deletions
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1
drivers/net/wireless/realtek/rtlwifi/base.c
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@@ -2289,6 +2289,7 @@ void rtl_c2hcmd_enqueue(struct ieee80211_hw *hw, struct sk_buff *skb)
if (rtl_c2h_fast_cmd(hw, skb)) {
rtl_c2h_content_parsing(hw, skb);
kfree_skb(skb);
return;
}