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    2007-03-22 23:15:33.000000000 
+0100
+++ net-2.6.22/net/netlink/af_netlink.c 2007-03-22 23:15:58.000000000 +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        2007-03-22 23:15:33.000000000 
+0100
+++ net-2.6.22/net/core/rtnetlink.c     2007-03-22 23:15:58.000000000 +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     2007-03-22 23:15:33.000000000 
+0100
+++ net-2.6.22/net/netlink/genetlink.c  2007-03-22 23:15:58.000000000 +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        2007-03-22 23:15:33.000000000 
+0100
+++ net-2.6.22/net/xfrm/xfrm_user.c     2007-03-22 23:15:58.000000000 +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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