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-rw-r--r--net/ipv4/fib_hash.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ipv4/fib_hash.c b/net/ipv4/fib_hash.c
index 527a6e0af5b6..99071d79c5e7 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)
444 struct fib_info *fi_drop; 444 struct fib_info *fi_drop;
445 u8 state; 445 u8 state;
446 446
447 if (fi->fib_treeref > 1)
448 goto out;
449
447 write_lock_bh(&fib_hash_lock); 450 write_lock_bh(&fib_hash_lock);
448 fi_drop = fa->fa_info; 451 fi_drop = fa->fa_info;
449 fa->fa_info = fi; 452 fa->fa_info = fi;