diff options
Diffstat (limited to 'net/ipv4/fib_semantics.c')
| -rw-r--r-- | net/ipv4/fib_semantics.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c index c886b28ba9f5..d41219e8037c 100644 --- a/net/ipv4/fib_semantics.c +++ b/net/ipv4/fib_semantics.c @@ -290,10 +290,10 @@ void rtmsg_fib(int event, u32 key, struct fib_alias *fa, kfree_skb(skb); return; } - NETLINK_CB(skb).dst_groups = RTMGRP_IPV4_ROUTE; + NETLINK_CB(skb).dst_group = RTNLGRP_IPV4_ROUTE; if (n->nlmsg_flags&NLM_F_ECHO) atomic_inc(&skb->users); - netlink_broadcast(rtnl, skb, pid, RTMGRP_IPV4_ROUTE, GFP_KERNEL); + netlink_broadcast(rtnl, skb, pid, RTNLGRP_IPV4_ROUTE, GFP_KERNEL); if (n->nlmsg_flags&NLM_F_ECHO) netlink_unicast(rtnl, skb, pid, MSG_DONTWAIT); } @@ -593,10 +593,13 @@ static void fib_hash_move(struct hlist_head *new_info_hash, struct hlist_head *new_laddrhash, unsigned int new_size) { + struct hlist_head *old_info_hash, *old_laddrhash; unsigned int old_size = fib_hash_size; - unsigned int i; + unsigned int i, bytes; write_lock(&fib_info_lock); + old_info_hash = fib_info_hash; + old_laddrhash = fib_info_laddrhash; fib_hash_size = new_size; for (i = 0; i < old_size; i++) { @@ -636,6 +639,10 @@ static void fib_hash_move(struct hlist_head *new_info_hash, fib_info_laddrhash = new_laddrhash; write_unlock(&fib_info_lock); + + bytes = old_size * sizeof(struct hlist_head *); + fib_hash_free(old_info_hash, bytes); + fib_hash_free(old_laddrhash, bytes); } struct fib_info * @@ -847,6 +854,7 @@ failure: return NULL; } +/* Note! fib_semantic_match intentionally uses RCU list functions. */ int fib_semantic_match(struct list_head *head, const struct flowi *flp, struct fib_result *res, __u32 zone, __u32 mask, int prefixlen) @@ -854,7 +862,7 @@ int fib_semantic_match(struct list_head *head, const struct flowi *flp, struct fib_alias *fa; int nh_sel = 0; - list_for_each_entry(fa, head, fa_list) { + list_for_each_entry_rcu(fa, head, fa_list) { int err; if (fa->fa_tos && |