diff options
| -rw-r--r-- | net/ipv4/fib_hash.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ipv4/fib_hash.c b/net/ipv4/fib_hash.c index 527a6e0af5b..99071d79c5e 100644 --- a/net/ipv4/fib_hash.c +++ b/net/ipv4/fib_hash.c @@ -444,6 +444,9 @@ static int fn_hash_insert(struct fib_table *tb, struct fib_config *cfg) struct fib_info *fi_drop; u8 state; + if (fi->fib_treeref > 1) + goto out; + write_lock_bh(&fib_hash_lock); fi_drop = fa->fa_info; fa->fa_info = fi; |