diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-08 21:17:20 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-08 21:17:20 -0300 |
commit | eccbe858ce6412b96fc7cb32eb23a3592f64e5f6 (patch) | |
tree | ed4f0e52d266bffc68a5b68afcfe69882b917efb /net/ipv6/ip6_flowlabel.c | |
parent | 0c1ac6822620b9868cfad5b4c2c223c6cd6fbfd8 (diff) |
Linux-libre 4.4.4-gnupck-4.4.4-gnu
Diffstat (limited to 'net/ipv6/ip6_flowlabel.c')
-rw-r--r-- | net/ipv6/ip6_flowlabel.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c index 1f9ebe3cb..dc2db4f7b 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); |