Lv Yunlong 1b479fb801 drivers/net/wan/hdlc_fr: Fix a double free in pvc_xmit
In pvc_xmit, if __skb_pad(skb, pad, false) failed, it will free
the skb in the first time and goto drop. But the same skb is freed
by kfree_skb(skb) in the second time in drop.

Maintaining the original function unchanged, my patch adds a new
label out to avoid the double free if __skb_pad() failed.

Fixes: f5083d0cee08a ("drivers/net/wan/hdlc_fr: Improvements to the code of pvc_xmit")
Signed-off-by: Lv Yunlong <lyl2019@mail.ustc.edu.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-28 18:08:43 -07:00
..
2020-07-13 16:58:01 -07:00
2021-01-05 15:50:36 -08:00
2020-07-13 16:58:01 -07:00
2019-11-13 19:01:14 +08:00