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Diffstat (limited to 'net/ipv6/addrconf.c')
-rw-r--r--net/ipv6/addrconf.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 619451336bf1..baaaead69ee1 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -3090,6 +3090,7 @@ static int addrconf_ifdown(struct net_device *dev, int how)
static void addrconf_rs_timer(unsigned long data)
{
struct inet6_dev *idev = (struct inet6_dev *)data;
+ struct net_device *dev = idev->dev;
struct in6_addr lladdr;
write_lock(&idev->lock);
@@ -3104,12 +3105,14 @@ static void addrconf_rs_timer(unsigned long data)
goto out;
if (idev->rs_probes++ < idev->cnf.rtr_solicits) {
- if (!__ipv6_get_lladdr(idev, &lladdr, IFA_F_TENTATIVE))
- ndisc_send_rs(idev->dev, &lladdr,
+ write_unlock(&idev->lock);
+ if (!ipv6_get_lladdr(dev, &lladdr, IFA_F_TENTATIVE))
+ ndisc_send_rs(dev, &lladdr,
&in6addr_linklocal_allrouters);
else
- goto out;
+ goto put;
+ write_lock(&idev->lock);
/* The wait after the last probe can be shorter */
addrconf_mod_rs_timer(idev, (idev->rs_probes ==
idev->cnf.rtr_solicits) ?
@@ -3125,6 +3128,7 @@ static void addrconf_rs_timer(unsigned long data)
out:
write_unlock(&idev->lock);
+put:
in6_dev_put(idev);
}