diff options
| -rw-r--r-- | net/ipv6/ip6_flowlabel.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c index 8550df20f984..f40a08669db0 100644 --- a/net/ipv6/ip6_flowlabel.c +++ b/net/ipv6/ip6_flowlabel.c @@ -190,14 +190,17 @@ struct ip6_flowlabel * fl6_sock_lookup(struct sock *sk, __be32 label) label &= IPV6_FLOWLABEL_MASK; + read_lock_bh(&ip6_sk_fl_lock); for (sfl=np->ipv6_fl_list; sfl; sfl = sfl->next) { struct ip6_flowlabel *fl = sfl->fl; if (fl->label == label) { + read_unlock_bh(&ip6_sk_fl_lock); fl->lastuse = jiffies; atomic_inc(&fl->users); return fl; } } + read_unlock_bh(&ip6_sk_fl_lock); return NULL; } |