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authorPavel Emelyanov <xemul@parallels.com>2011-12-09 06:22:26 +0000
committerDavid S. Miller <davem@davemloft.net>2011-12-09 14:14:08 -0500
commitefb3cb428dcde2356802b3f93e152efa7abc5a62 (patch)
treedb735c5f128fb22785944c71232521e4726cffab
parentinet_diag: Split inet_diag_get_exact into parts (diff)
downloadlinux-dev-efb3cb428dcde2356802b3f93e152efa7abc5a62.tar.xz
linux-dev-efb3cb428dcde2356802b3f93e152efa7abc5a62.zip
inet_diag: Split inet_diag_get_exact into parts
Similar to previous patch: the 1st part locks the inet handler and will get generalized and the 2nd one dumps icsk-s and will be used by TCP and DCCP handlers. Signed-off-by: Pavel Emelyanov <xemul@parallels.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/ipv4/inet_diag.c28
1 files changed, 16 insertions, 12 deletions
diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c
index 64abe476e2a6..f50df2ed9af5 100644
--- a/net/ipv4/inet_diag.c
+++ b/net/ipv4/inet_diag.c
@@ -709,19 +709,11 @@ out:
return err;
}
-static int __inet_diag_dump(struct sk_buff *skb, struct netlink_callback *cb,
- struct inet_diag_req *r, struct nlattr *bc)
+static void inet_diag_dump_icsk(struct inet_hashinfo *hashinfo, struct sk_buff *skb,
+ struct netlink_callback *cb, struct inet_diag_req *r, struct nlattr *bc)
{
int i, num;
int s_i, s_num;
- const struct inet_diag_handler *handler;
- struct inet_hashinfo *hashinfo;
-
- handler = inet_diag_lock_handler(r->sdiag_protocol);
- if (IS_ERR(handler))
- goto unlock;
-
- hashinfo = handler->idiag_hashinfo;
s_i = cb->args[1];
s_num = num = cb->args[2];
@@ -790,7 +782,7 @@ skip_listen_ht:
}
if (!(r->idiag_states & ~(TCPF_LISTEN | TCPF_SYN_RECV)))
- goto unlock;
+ goto out;
for (i = s_i; i <= hashinfo->ehash_mask; i++) {
struct inet_ehash_bucket *head = &hashinfo->ehash[i];
@@ -863,8 +855,20 @@ next_dying:
done:
cb->args[1] = i;
cb->args[2] = num;
-unlock:
+out:
+ ;
+}
+
+static int __inet_diag_dump(struct sk_buff *skb, struct netlink_callback *cb,
+ struct inet_diag_req *r, struct nlattr *bc)
+{
+ const struct inet_diag_handler *handler;
+
+ handler = inet_diag_lock_handler(r->sdiag_protocol);
+ if (!IS_ERR(handler))
+ inet_diag_dump_icsk(handler->idiag_hashinfo, skb, cb, r, bc);
inet_diag_unlock_handler(handler);
+
return skb->len;
}