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[RTNETLINK]: Fix sending netlink message when replace route. 

When you replace route via ip r r command the netlink multicast message is
not send.  This patch corrects it.  NL message is sent with NLM_F_REPLACE
flag.

Addresses http://bugzilla.kernel.org/show_bug.cgi?id=8320

Signed-off-by: Milan Kocian <milon@wq.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Milan Kocian 2007-05-23 14:55:06 -07:00 committed by David S. Miller
parent 8a903be129
commit b8f5583135
4 changed files with 13 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
net/ipv4/fib_hash.c
View File

@ -456,6 +456,8 @@ static int fn_hash_insert(struct fib_table *tb, struct fib_config *cfg)
fib_release_info(fi_drop);
if (state & FA_S_ACCESSED)
rt_cache_flush(-1);
rtmsg_fib(RTM_NEWROUTE, key, fa, cfg->fc_dst_len, tb->tb_id,
&cfg->fc_nlinfo, NLM_F_REPLACE);
return 0;
}
@ -523,7 +525,7 @@ static int fn_hash_insert(struct fib_table *tb, struct fib_config *cfg)
rt_cache_flush(-1);
rtmsg_fib(RTM_NEWROUTE, key, new_fa, cfg->fc_dst_len, tb->tb_id,
&cfg->fc_nlinfo);
&cfg->fc_nlinfo, 0);
return 0;
out_free_new_fa:
@ -589,7 +591,7 @@ static int fn_hash_delete(struct fib_table *tb, struct fib_config *cfg)
fa = fa_to_delete;
rtmsg_fib(RTM_DELROUTE, key, fa, cfg->fc_dst_len,
tb->tb_id, &cfg->fc_nlinfo);
tb->tb_id, &cfg->fc_nlinfo, 0);
kill_fn = 0;
write_lock_bh(&fib_hash_lock);

3
net/ipv4/fib_lookup.h
View File

@ -30,7 +30,8 @@ extern int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event,
int dst_len, u8 tos, struct fib_info *fi,
unsigned int);
extern void rtmsg_fib(int event, __be32 key, struct fib_alias *fa,
int dst_len, u32 tb_id, struct nl_info *info);
int dst_len, u32 tb_id, struct nl_info *info,
unsigned int nlm_flags);
extern struct fib_alias *fib_find_alias(struct list_head *fah,
u8 tos, u32 prio);
extern int fib_detect_death(struct fib_info *fi, int order,

5
net/ipv4/fib_semantics.c
View File

@ -301,7 +301,8 @@ static inline size_t fib_nlmsg_size(struct fib_info *fi)
}
void rtmsg_fib(int event, __be32 key, struct fib_alias *fa,
int dst_len, u32 tb_id, struct nl_info *info)
int dst_len, u32 tb_id, struct nl_info *info,
unsigned int nlm_flags)
{
struct sk_buff *skb;
u32 seq = info->nlh ? info->nlh->nlmsg_seq : 0;
@ -313,7 +314,7 @@ void rtmsg_fib(int event, __be32 key, struct fib_alias *fa,
err = fib_dump_info(skb, info->pid, seq, event, tb_id,
fa->fa_type, fa->fa_scope, key, dst_len,
fa->fa_tos, fa->fa_info, 0);
fa->fa_tos, fa->fa_info, nlm_flags);
if (err < 0) {
/* -EMSGSIZE implies BUG in fib_nlmsg_size() */
WARN_ON(err == -EMSGSIZE);

6
net/ipv4/fib_trie.c
View File

@ -1226,6 +1226,8 @@ static int fn_trie_insert(struct fib_table *tb, struct fib_config *cfg)
fib_release_info(fi_drop);
if (state & FA_S_ACCESSED)
rt_cache_flush(-1);
rtmsg_fib(RTM_NEWROUTE, htonl(key), new_fa, plen,
tb->tb_id, &cfg->fc_nlinfo, NLM_F_REPLACE);
goto succeeded;
}
@ -1278,7 +1280,7 @@ static int fn_trie_insert(struct fib_table *tb, struct fib_config *cfg)
rt_cache_flush(-1);
rtmsg_fib(RTM_NEWROUTE, htonl(key), new_fa, plen, tb->tb_id,
&cfg->fc_nlinfo);
&cfg->fc_nlinfo, 0);
succeeded:
return 0;
@ -1624,7 +1626,7 @@ static int fn_trie_delete(struct fib_table *tb, struct fib_config *cfg)
fa = fa_to_delete;
rtmsg_fib(RTM_DELROUTE, htonl(key), fa, plen, tb->tb_id,
&cfg->fc_nlinfo);
&cfg->fc_nlinfo, 0);
l = fib_find_node(t, key);
li = find_leaf_info(l, plen);