Re: [PATCH] drivers/net/wan/hdlc_fr: Fix a double free in pvc_xmit

Hello: This patch was applied to netdev/net.git (refs/heads/master): On Sun, 28 Mar 2021 00:50:08 -0700 you wrote: > 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

[PATCH] 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()