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neighbor: Remove state and flags arguments to neigh_del 

neigh_del now only has 1 caller, and the state and flags arguments
are both 0. Remove them and simplify neigh_del.

Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Ahern 2018-12-11 18:57:23 -07:00 committed by David S. Miller
parent 758a7f0b32
commit 7e6f182bec
1 changed files with 4 additions and 5 deletions
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9
net/core/neighbour.c
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@ -153,14 +153,13 @@ static void neigh_update_gc_list(struct neighbour *n)
write_unlock_bh(&n->tbl->lock);
}
static bool neigh_del(struct neighbour *n, __u8 state, __u8 flags,
struct neighbour __rcu **np, struct neigh_table *tbl)
static bool neigh_del(struct neighbour *n, struct neighbour __rcu **np,
struct neigh_table *tbl)
{
bool retval = false;
write_lock(&n->lock);
if (refcount_read(&n->refcnt) == 1 && !(n->nud_state & state) &&
!(n->flags & flags)) {
if (refcount_read(&n->refcnt) == 1) {
struct neighbour *neigh;
neigh = rcu_dereference_protected(n->next,
@ -192,7 +191,7 @@ bool neigh_remove_one(struct neighbour *ndel, struct neigh_table *tbl)
while ((n = rcu_dereference_protected(*np,
lockdep_is_held(&tbl->lock)))) {
if (n == ndel)
return neigh_del(n, 0, 0, np, tbl);
return neigh_del(n, np, tbl);
np = &n->next;
}
return false;