From: Xie He
Date: Fri, 24 Jul 2020 09:33:47 -0700
> This patch fixed 2 issues with the usage of skb_cow in LAPB drivers
> "lapbether" and "hdlc_x25":
>
> 1) After skb_cow fails, kfree_skb should be called to drop a reference
> to the skb. But in both drivers, kfree_skb is not called.
>
> 2) sk
This patch fixed 2 issues with the usage of skb_cow in LAPB drivers
"lapbether" and "hdlc_x25":
1) After skb_cow fails, kfree_skb should be called to drop a reference
to the skb. But in both drivers, kfree_skb is not called.
2) skb_cow should be called before skb_push so that is can ensure the
sa
