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authorIngo Molnar <mingo@kernel.org>2016-03-04 14:12:08 +0300
committerIngo Molnar <mingo@kernel.org>2016-03-04 14:12:08 +0300
commitbc94b99636dc7bcccce439a9fb9c00065e2e2627 (patch)
treebddbd29a5fd7b2d270d039efc1d6858791a2c98f /net/ipv6/ip6_flowlabel.c
parent4650bac1fc45d64aef62ab99aa4db93d41dedbd9 (diff)
parentfc77dbd34c5c99bce46d40a2491937c3bcbd10af (diff)
downloadlinux-bc94b99636dc7bcccce439a9fb9c00065e2e2627.tar.xz
Merge tag 'v4.5-rc6' into core/resources, to resolve conflict
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/ipv6/ip6_flowlabel.c')
-rw-r--r--net/ipv6/ip6_flowlabel.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c
index 1f9ebe3cbb4a..dc2db4f7b182 100644
--- a/net/ipv6/ip6_flowlabel.c
+++ b/net/ipv6/ip6_flowlabel.c
@@ -540,12 +540,13 @@ int ipv6_flowlabel_opt(struct sock *sk, char __user *optval, int optlen)
}
spin_lock_bh(&ip6_sk_fl_lock);
for (sflp = &np->ipv6_fl_list;
- (sfl = rcu_dereference(*sflp)) != NULL;
+ (sfl = rcu_dereference_protected(*sflp,
+ lockdep_is_held(&ip6_sk_fl_lock))) != NULL;
sflp = &sfl->next) {
if (sfl->fl->label == freq.flr_label) {
if (freq.flr_label == (np->flow_label&IPV6_FLOWLABEL_MASK))
np->flow_label &= ~IPV6_FLOWLABEL_MASK;
- *sflp = rcu_dereference(sfl->next);
+ *sflp = sfl->next;
spin_unlock_bh(&ip6_sk_fl_lock);
fl_release(sfl->fl);
kfree_rcu(sfl, rcu);