skb_dst_force

Name:skb_dst_force - makes sure skb dst is refcounted*@skb: buffer* If dst is not yet refcounted and not destroyed, grab a ref on it.* Returns true if dst is refcounted.

Proto:static inline bool skb_dst_force(struct sk_buff *skb)

Type:bool

Parameter:

Type	Parameter	Name
struct sk_buff *	skb

309

If skb_dst_is_noref - Test if skb dst isn't refcounted*@skb: buffer Then

310

dst = skb_dst - returns skb dst_entry*@skb: buffer* Returns skb dst_entry, regardless of reference taken or not.

312

WARN_ON(!rcu_read_lock_held())

313

If Not dst_hold_safe - Take a reference on a dst if possible*@dst: pointer to dst entry* This helper returns false if it could not safely* take a reference on a dst. Then dst = NULL

316

_skb_refdst = dst

319

Return _skb_refdst != 0UL

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