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Diffstat (limited to 'net/ipv6/addrconf.c')
-rw-r--r--net/ipv6/addrconf.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 77b626136c23..4ab4c38958c6 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -4306,6 +4306,7 @@ static int inet6_set_iftoken(struct inet6_dev *idev, struct in6_addr *token)
struct inet6_ifaddr *ifp;
struct net_device *dev = idev->dev;
bool update_rs = false;
+ struct in6_addr ll_addr;
if (token == NULL)
return -EINVAL;
@@ -4325,11 +4326,9 @@ static int inet6_set_iftoken(struct inet6_dev *idev, struct in6_addr *token)
write_unlock_bh(&idev->lock);
- if (!idev->dead && (idev->if_flags & IF_READY)) {
- struct in6_addr ll_addr;
-
- ipv6_get_lladdr(dev, &ll_addr, IFA_F_TENTATIVE |
- IFA_F_OPTIMISTIC);
+ if (!idev->dead && (idev->if_flags & IF_READY) &&
+ !ipv6_get_lladdr(dev, &ll_addr, IFA_F_TENTATIVE |
+ IFA_F_OPTIMISTIC)) {
/* If we're not ready, then normal ifup will take care
* of this. Otherwise, we need to request our rs here.