diff options
Diffstat (limited to 'net/ipv6/ip6_fib.c')
| -rw-r--r-- | net/ipv6/ip6_fib.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c index 64ca02b7745f..6421c893466e 100644 --- a/net/ipv6/ip6_fib.c +++ b/net/ipv6/ip6_fib.c @@ -875,8 +875,12 @@ static void fib6_drop_pcpu_from(struct fib6_info *f6i, ppcpu_rt = per_cpu_ptr(f6i->rt6i_pcpu, cpu); pcpu_rt = *ppcpu_rt; if (pcpu_rt) { - fib6_info_release(pcpu_rt->from); - pcpu_rt->from = NULL; + struct fib6_info *from; + + from = rcu_dereference_protected(pcpu_rt->from, + lockdep_is_held(&table->tb6_lock)); + rcu_assign_pointer(pcpu_rt->from, NULL); + fib6_info_release(from); } } } |