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ipv6: ndisc: Remove __in6_dev_get() in pndisc_{constructor,destructor}().

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ipv6_dev_mc_{inc,dec}() has the same check.

Let's remove __in6_dev_get() from pndisc_constructor() and
pndisc_destructor().

Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20250702230210.3115355-2-kuni1840@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Kuniyuki Iwashima 2025-07-02 16:01:18 -07:00 committed by Jakub Kicinski
parent 01af000187
commit fb60b74e4e
1 changed files with 7 additions and 6 deletions
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13
net/ipv6/ndisc.c
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@ -377,24 +377,25 @@ static int ndisc_constructor(struct neighbour *neigh)
static int pndisc_constructor(struct pneigh_entry *n)
{
struct in6_addr *addr = (struct in6_addr *)&n->key;
struct in6_addr maddr;
struct net_device *dev = n->dev;
struct in6_addr maddr;
if (!dev || !__in6_dev_get(dev))
if (!dev)
return -EINVAL;
addrconf_addr_solict_mult(addr, &maddr);
ipv6_dev_mc_inc(dev, &maddr);
return 0;
return ipv6_dev_mc_inc(dev, &maddr);
}
static void pndisc_destructor(struct pneigh_entry *n)
{
struct in6_addr *addr = (struct in6_addr *)&n->key;
struct in6_addr maddr;
struct net_device *dev = n->dev;
struct in6_addr maddr;
if (!dev || !__in6_dev_get(dev))
if (!dev)
return;
addrconf_addr_solict_mult(addr, &maddr);
ipv6_dev_mc_dec(dev, &maddr);
}