5 files changed, 19 insertions, 22 deletions

diff --git a/include/linux/in_route.h b/include/linux/in_route.h
index 61f25c30a2a0..b261b8c915f0 100644
--- a/include/linux/in_route.h
+++ b/include/linux/in_route.h
@@ -10,19 +10,19 @@
 #define RTCF_NOPMTUDISC RTM_F_NOPMTUDISC
 
 #define RTCF_NOTIFY     0x00010000
-#define RTCF_DIRECTDST  0x00020000
+#define RTCF_DIRECTDST  0x00020000 /* unused */
 #define RTCF_REDIRECTED 0x00040000
-#define RTCF_TPROXY     0x00080000
+#define RTCF_TPROXY     0x00080000 /* unused */
 
-#define RTCF_FAST       0x00200000
-#define RTCF_MASQ       0x00400000
-#define RTCF_SNAT       0x00800000
+#define RTCF_FAST       0x00200000 /* unused */
+#define RTCF_MASQ       0x00400000 /* unused */
+#define RTCF_SNAT       0x00800000 /* unused */
 #define RTCF_DOREDIRECT 0x01000000
 #define RTCF_DIRECTSRC  0x04000000
 #define RTCF_DNAT       0x08000000
 #define RTCF_BROADCAST  0x10000000
 #define RTCF_MULTICAST  0x20000000
-#define RTCF_REJECT     0x40000000
+#define RTCF_REJECT     0x40000000 /* unused */
 #define RTCF_LOCAL      0x80000000
 
 #define RTCF_NAT        (RTCF_DNAT|RTCF_SNAT)
diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h
index 7009b0cdd06f..c6f51ad52d5b 100644
--- a/include/linux/inetdevice.h
+++ b/include/linux/inetdevice.h
@@ -117,7 +117,6 @@ struct in_ifaddr
         __be32                  ifa_address;
         __be32                  ifa_mask;
         __be32                  ifa_broadcast;
-        __be32                  ifa_anycast;
         unsigned char           ifa_scope;
         unsigned char           ifa_flags;
         unsigned char           ifa_prefixlen;
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
index 44c81c744538..a2aec2c0cfb5 100644
--- a/include/linux/rtnetlink.h
+++ b/include/linux/rtnetlink.h
@@ -267,10 +267,10 @@ enum rtattr_type_t
         RTA_PREFSRC,
         RTA_METRICS,
         RTA_MULTIPATH,
-        RTA_PROTOINFO,
+        RTA_PROTOINFO, /* no longer used */
         RTA_FLOW,
         RTA_CACHEINFO,
-        RTA_SESSION,
+        RTA_SESSION, /* no longer used */
         RTA_MP_ALGO, /* no longer used */
         RTA_TABLE,
         __RTA_MAX
diff --git a/include/net/genetlink.h b/include/net/genetlink.h
index decdda546829..747c255d1df0 100644
--- a/include/net/genetlink.h
+++ b/include/net/genetlink.h
@@ -162,9 +162,9 @@ static inline int genlmsg_end(struct sk_buff *skb, void *hdr)
  * @skb: socket buffer the message is stored in
  * @hdr: generic netlink message header
  */
-static inline int genlmsg_cancel(struct sk_buff *skb, void *hdr)
+static inline void genlmsg_cancel(struct sk_buff *skb, void *hdr)
 {
-        return nlmsg_cancel(skb, hdr - GENL_HDRLEN - NLMSG_HDRLEN);
+        nlmsg_cancel(skb, hdr - GENL_HDRLEN - NLMSG_HDRLEN);
 }
 
 /**
diff --git a/include/net/netlink.h b/include/net/netlink.h
index 112dcdf7e34e..dfc3701dfcc3 100644
--- a/include/net/netlink.h
+++ b/include/net/netlink.h
@@ -556,14 +556,12 @@ static inline void *nlmsg_get_pos(struct sk_buff *skb)
  * @skb: socket buffer the message is stored in
  * @mark: mark to trim to
  *
- * Trims the message to the provided mark. Returns -1.
+ * Trims the message to the provided mark.
  */
-static inline int nlmsg_trim(struct sk_buff *skb, const void *mark)
+static inline void nlmsg_trim(struct sk_buff *skb, const void *mark)
 {
         if (mark)
                 skb_trim(skb, (unsigned char *) mark - skb->data);
-
-        return -1;
 }
 
 /**
@@ -572,11 +570,11 @@ static inline int nlmsg_trim(struct sk_buff *skb, const void *mark)
  * @nlh: netlink message header
  *
  * Removes the complete netlink message including all
- * attributes from the socket buffer again. Returns -1.
+ * attributes from the socket buffer again.
  */
-static inline int nlmsg_cancel(struct sk_buff *skb, struct nlmsghdr *nlh)
+static inline void nlmsg_cancel(struct sk_buff *skb, struct nlmsghdr *nlh)
 {
-        return nlmsg_trim(skb, nlh);
+        nlmsg_trim(skb, nlh);
 }
 
 /**
@@ -775,7 +773,7 @@ static inline int __nla_parse_nested_compat(struct nlattr *tb[], int maxtype,
         int nested_len = nla_len(nla) - NLA_ALIGN(len);
 
         if (nested_len < 0)
-                return -1;
+                return -EINVAL;
         if (nested_len >= nla_attr_size(0))
                 return nla_parse(tb, maxtype, nla_data(nla) + NLA_ALIGN(len),
                                  nested_len, policy);
@@ -1080,11 +1078,11 @@ static inline int nla_nest_compat_end(struct sk_buff *skb, struct nlattr *start)
  * @start: container attribute
  *
  * Removes the container attribute and including all nested
- * attributes. Returns -1.
+ * attributes. Returns -EMSGSIZE
  */
-static inline int nla_nest_cancel(struct sk_buff *skb, struct nlattr *start)
+static inline void nla_nest_cancel(struct sk_buff *skb, struct nlattr *start)
 {
-        return nlmsg_trim(skb, start);
+        nlmsg_trim(skb, start);
 }
 
 /**