1 files changed, 19 insertions, 47 deletions

diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index c2996794eb25..6e31234a4196 100644
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -295,66 +295,46 @@ int genl_unregister_family(struct genl_family *family)
         return -ENOENT;
 }
 
-static int genl_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh,
-                               int *errp)
+static int genl_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
 {
         struct genl_ops *ops;
         struct genl_family *family;
         struct genl_info info;
         struct genlmsghdr *hdr = nlmsg_data(nlh);
-        int hdrlen, err = -EINVAL;
-
-        if (!(nlh->nlmsg_flags & NLM_F_REQUEST))
-                goto ignore;
-
-        if (nlh->nlmsg_type < NLMSG_MIN_TYPE)
-                goto ignore;
+        int hdrlen, err;
 
         family = genl_family_find_byid(nlh->nlmsg_type);
-        if (family == NULL) {
-                err = -ENOENT;
-                goto errout;
-        }
+        if (family == NULL)
+                return -ENOENT;
 
         hdrlen = GENL_HDRLEN + family->hdrsize;
         if (nlh->nlmsg_len < nlmsg_msg_size(hdrlen))
-                goto errout;
+                return -EINVAL;
 
         ops = genl_get_cmd(hdr->cmd, family);
-        if (ops == NULL) {
-                err = -EOPNOTSUPP;
-                goto errout;
-        }
+        if (ops == NULL)
+                return -EOPNOTSUPP;
 
-        if ((ops->flags & GENL_ADMIN_PERM) && security_netlink_recv(skb, CAP_NET_ADMIN)) {
-                err = -EPERM;
-                goto errout;
-        }
+        if ((ops->flags & GENL_ADMIN_PERM) &&
+            security_netlink_recv(skb, CAP_NET_ADMIN))
+                return -EPERM;
 
         if (nlh->nlmsg_flags & NLM_F_DUMP) {
-                if (ops->dumpit == NULL) {
-                        err = -EOPNOTSUPP;
-                        goto errout;
-                }
+                if (ops->dumpit == NULL)
+                        return -EOPNOTSUPP;
 
-                *errp = err = netlink_dump_start(genl_sock, skb, nlh,
-                                                 ops->dumpit, ops->done);
-                if (err == 0)
-                        skb_pull(skb, min(NLMSG_ALIGN(nlh->nlmsg_len),
-                                          skb->len));
-                return -1;
+                return netlink_dump_start(genl_sock, skb, nlh,
+                                          ops->dumpit, ops->done);
         }
 
-        if (ops->doit == NULL) {
-                err = -EOPNOTSUPP;
-                goto errout;
-        }
+        if (ops->doit == NULL)
+                return -EOPNOTSUPP;
 
         if (family->attrbuf) {
                 err = nlmsg_parse(nlh, hdrlen, family->attrbuf, family->maxattr,
                                   ops->policy);
                 if (err < 0)
-                        goto errout;
+                        return err;
         }
 
         info.snd_seq = nlh->nlmsg_seq;
@@ -364,15 +344,7 @@ static int genl_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh,
         info.userhdr = nlmsg_data(nlh) + GENL_HDRLEN;
         info.attrs = family->attrbuf;
 
-        *errp = err = ops->doit(skb, &info);
-        return err;
-
-ignore:
-        return 0;
-
-errout:
-        *errp = err;
-        return -1;
+        return ops->doit(skb, &info);
 }
 
 static void genl_rcv(struct sock *sk, int len)
@@ -586,7 +558,7 @@ static int __init genl_init(void)
 
         netlink_set_nonroot(NETLINK_GENERIC, NL_NONROOT_RECV);
         genl_sock = netlink_kernel_create(NETLINK_GENERIC, GENL_MAX_ID,
-                                          genl_rcv, THIS_MODULE);
+                                          genl_rcv, NULL, THIS_MODULE);
         if (genl_sock == NULL)
                 panic("GENL: Cannot initialize generic netlink\n");