Changes netlink_rcv_skb() to skip netlink controll messages and don't
pass them on to the message handler.
Signed-off-by: Thomas Graf <[EMAIL PROTECTED]>
Index: net-2.6.22/net/netlink/af_netlink.c
===================================================================
--- net-2.6.22.orig/net/netlink/af_netlink.c 2007-03-21 01:17:13.000000000
+0100
+++ net-2.6.22/net/netlink/af_netlink.c 2007-03-21 01:17:46.000000000 +0100
@@ -1479,6 +1479,10 @@ static int netlink_rcv_skb(struct sk_buf
if (!(nlh->nlmsg_flags & NLM_F_REQUEST))
goto skip;
+ /* Skip control messages */
+ if (nlh->nlmsg_type < NLMSG_MIN_TYPE)
+ goto skip;
+
if (cb(skb, nlh, &err) < 0) {
/* Not an error, but we have to interrupt processing
* here. Note: that in this case we do not pull
Index: net-2.6.22/net/core/rtnetlink.c
===================================================================
--- net-2.6.22.orig/net/core/rtnetlink.c 2007-03-21 01:17:13.000000000
+0100
+++ net-2.6.22/net/core/rtnetlink.c 2007-03-21 01:17:46.000000000 +0100
@@ -863,10 +863,6 @@ rtnetlink_rcv_msg(struct sk_buff *skb, s
type = nlh->nlmsg_type;
- /* A control message: ignore them */
- if (type < RTM_BASE)
- return 0;
-
/* Unknown message: reply with EINVAL */
if (type > RTM_MAX)
goto err_inval;
Index: net-2.6.22/net/netlink/genetlink.c
===================================================================
--- net-2.6.22.orig/net/netlink/genetlink.c 2007-03-21 01:17:13.000000000
+0100
+++ net-2.6.22/net/netlink/genetlink.c 2007-03-21 01:17:46.000000000 +0100
@@ -304,9 +304,6 @@ static int genl_rcv_msg(struct sk_buff *
struct genlmsghdr *hdr = nlmsg_data(nlh);
int hdrlen, err = -EINVAL;
- if (nlh->nlmsg_type < NLMSG_MIN_TYPE)
- goto ignore;
-
family = genl_family_find_byid(nlh->nlmsg_type);
if (family == NULL) {
err = -ENOENT;
@@ -364,9 +361,6 @@ static int genl_rcv_msg(struct sk_buff *
*errp = err = ops->doit(skb, &info);
return err;
-ignore:
- return 0;
-
errout:
*errp = err;
return -1;
Index: net-2.6.22/net/xfrm/xfrm_user.c
===================================================================
--- net-2.6.22.orig/net/xfrm/xfrm_user.c 2007-03-21 01:17:13.000000000
+0100
+++ net-2.6.22/net/xfrm/xfrm_user.c 2007-03-21 01:17:46.000000000 +0100
@@ -1861,10 +1861,6 @@ static int xfrm_user_rcv_msg(struct sk_b
type = nlh->nlmsg_type;
- /* A control message: ignore them */
- if (type < XFRM_MSG_BASE)
- return 0;
-
/* Unknown message: reply with EINVAL */
if (type > XFRM_MSG_MAX)
goto err_einval;
--
-
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