diff options
Diffstat (limited to 'net/ipv4/fib_hash.c')
| -rw-r--r-- | net/ipv4/fib_hash.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/net/ipv4/fib_hash.c b/net/ipv4/fib_hash.c index 527a6e0af5b..0dfee27cfbc 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; @@ -718,19 +721,18 @@ fn_hash_dump_zone(struct sk_buff *skb, struct netlink_callback *cb, { int h, s_h; + if (fz->fz_hash == NULL) + return skb->len; s_h = cb->args[3]; - for (h=0; h < fz->fz_divisor; h++) { - if (h < s_h) continue; - if (h > s_h) - memset(&cb->args[4], 0, - sizeof(cb->args) - 4*sizeof(cb->args[0])); - if (fz->fz_hash == NULL || - hlist_empty(&fz->fz_hash[h])) + for (h = s_h; h < fz->fz_divisor; h++) { + if (hlist_empty(&fz->fz_hash[h])) continue; - if (fn_hash_dump_bucket(skb, cb, tb, fz, &fz->fz_hash[h])<0) { + if (fn_hash_dump_bucket(skb, cb, tb, fz, &fz->fz_hash[h]) < 0) { cb->args[3] = h; return -1; } + memset(&cb->args[4], 0, + sizeof(cb->args) - 4*sizeof(cb->args[0])); } cb->args[3] = h; return skb->len; @@ -746,14 +748,13 @@ static int fn_hash_dump(struct fib_table *tb, struct sk_buff *skb, struct netlin read_lock(&fib_hash_lock); for (fz = table->fn_zone_list, m=0; fz; fz = fz->fz_next, m++) { if (m < s_m) continue; - if (m > s_m) - memset(&cb->args[3], 0, - sizeof(cb->args) - 3*sizeof(cb->args[0])); if (fn_hash_dump_zone(skb, cb, tb, fz) < 0) { cb->args[2] = m; read_unlock(&fib_hash_lock); return -1; } + memset(&cb->args[3], 0, + sizeof(cb->args) - 3*sizeof(cb->args[0])); } read_unlock(&fib_hash_lock); cb->args[2] = m; |