[IPv6] prefix: Convert RTM_NEWPREFIX notifications to use the new netlink api

RTM_GETPREFIX is completely unused and is thus removed.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 14 insertions, 17 deletions

diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 50d6cb40c6e3..0cb4d9e53a07 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -108,7 +108,6 @@ static const int rtm_min[RTM_NR_FAMILIES] =
         [RTM_FAM(RTM_NEWTCLASS)]    = NLMSG_LENGTH(sizeof(struct tcmsg)),
         [RTM_FAM(RTM_NEWTFILTER)]   = NLMSG_LENGTH(sizeof(struct tcmsg)),
         [RTM_FAM(RTM_NEWACTION)]    = NLMSG_LENGTH(sizeof(struct tcamsg)),
-        [RTM_FAM(RTM_NEWPREFIX)]    = NLMSG_LENGTH(sizeof(struct rtgenmsg)),
         [RTM_FAM(RTM_GETMULTICAST)] = NLMSG_LENGTH(sizeof(struct rtgenmsg)),
         [RTM_FAM(RTM_GETANYCAST)]   = NLMSG_LENGTH(sizeof(struct rtgenmsg)),
 };
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 46cd941d296f..052f99eaf2ac 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -3518,16 +3518,18 @@ static inline size_t inet6_prefix_nlmsg_size(void)
 }
 
 static int inet6_fill_prefix(struct sk_buff *skb, struct inet6_dev *idev,
-                        struct prefix_info *pinfo, u32 pid, u32 seq, 
-                        int event, unsigned int flags)
+                             struct prefix_info *pinfo, u32 pid, u32 seq,
+                             int event, unsigned int flags)
 {
-        struct prefixmsg        *pmsg;
-        struct nlmsghdr         *nlh;
-        unsigned char           *b = skb->tail;
+        struct prefixmsg *pmsg;
+        struct nlmsghdr *nlh;
         struct prefix_cacheinfo ci;
 
-        nlh = NLMSG_NEW(skb, pid, seq, event, sizeof(*pmsg), flags);
-        pmsg = NLMSG_DATA(nlh);
+        nlh = nlmsg_put(skb, pid, seq, event, sizeof(*pmsg), flags);
+        if (nlh == NULL)
+                return -ENOBUFS;
+
+        pmsg = nlmsg_data(nlh);
         pmsg->prefix_family = AF_INET6;
         pmsg->prefix_pad1 = 0;
         pmsg->prefix_pad2 = 0;
@@ -3535,26 +3537,22 @@ static int inet6_fill_prefix(struct sk_buff *skb, struct inet6_dev *idev,
         pmsg->prefix_len = pinfo->prefix_len;
         pmsg->prefix_type = pinfo->type;
         pmsg->prefix_pad3 = 0;
-        
         pmsg->prefix_flags = 0;
         if (pinfo->onlink)
                 pmsg->prefix_flags |= IF_PREFIX_ONLINK;
         if (pinfo->autoconf)
                 pmsg->prefix_flags |= IF_PREFIX_AUTOCONF;
 
-        RTA_PUT(skb, PREFIX_ADDRESS, sizeof(pinfo->prefix), &pinfo->prefix);
+        NLA_PUT(skb, PREFIX_ADDRESS, sizeof(pinfo->prefix), &pinfo->prefix);
 
         ci.preferred_time = ntohl(pinfo->prefered);
         ci.valid_time = ntohl(pinfo->valid);
-        RTA_PUT(skb, PREFIX_CACHEINFO, sizeof(ci), &ci);
+        NLA_PUT(skb, PREFIX_CACHEINFO, sizeof(ci), &ci);
 
-        nlh->nlmsg_len = skb->tail - b;
-        return skb->len;
+        return nlmsg_end(skb, nlh);
 
-nlmsg_failure:
-rtattr_failure:
-        skb_trim(skb, b - skb->data);
-        return -1;
+nla_put_failure:
+        return nlmsg_cancel(skb, nlh);
 }
 
 static void inet6_prefix_notify(int event, struct inet6_dev *idev,