NAME
skb_fclone_busy - check if fclone is busy
SYNOPSIS
bool skb_fclone_busy(const struct sock * sk, const struct sk_buff * skb);
ARGUMENTS
sk
socket
skb
buffer
DESCRIPTION
Returns true if skb is a fast clone, and its clone is not freed. Some drivers call skb_orphan in their ndo_start_xmit, so we also check that this didnt happen.