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Diffstat (limited to 'net/core/rtnetlink.c')
-rw-r--r--net/core/rtnetlink.c46
1 files changed, 15 insertions, 31 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index b2136accd26..14241ada41a 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -852,8 +852,7 @@ static int rtattr_max;
/* Process one rtnetlink message. */
-static __inline__ int
-rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, int *errp)
+static int rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
{
rtnl_doit_func doit;
int sz_idx, kind;
@@ -863,10 +862,8 @@ rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, int *errp)
int err;
type = nlh->nlmsg_type;
-
- /* Unknown message: reply with EINVAL */
if (type > RTM_MAX)
- goto err_inval;
+ return -EINVAL;
type -= RTM_BASE;
@@ -875,40 +872,33 @@ rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, int *errp)
return 0;
family = ((struct rtgenmsg*)NLMSG_DATA(nlh))->rtgen_family;
- if (family >= NPROTO) {
- *errp = -EAFNOSUPPORT;
- return -1;
- }
+ if (family >= NPROTO)
+ return -EAFNOSUPPORT;
sz_idx = type>>2;
kind = type&3;
- if (kind != 2 && security_netlink_recv(skb, CAP_NET_ADMIN)) {
- *errp = -EPERM;
- return -1;
- }
+ if (kind != 2 && security_netlink_recv(skb, CAP_NET_ADMIN))
+ return -EPERM;
if (kind == 2 && nlh->nlmsg_flags&NLM_F_DUMP) {
rtnl_dumpit_func dumpit;
dumpit = rtnl_get_dumpit(family, type);
if (dumpit == NULL)
- goto err_inval;
-
- if ((*errp = netlink_dump_start(rtnl, skb, nlh,
- dumpit, NULL)) != 0) {
- return -1;
- }
+ return -EINVAL;
- netlink_queue_skip(nlh, skb);
- return -1;
+ err = netlink_dump_start(rtnl, skb, nlh, dumpit, NULL);
+ if (err == 0)
+ err = -EINTR;
+ return err;
}
memset(rta_buf, 0, (rtattr_max * sizeof(struct rtattr *)));
min_len = rtm_min[sz_idx];
if (nlh->nlmsg_len < min_len)
- goto err_inval;
+ return -EINVAL;
if (nlh->nlmsg_len > min_len) {
int attrlen = nlh->nlmsg_len - NLMSG_ALIGN(min_len);
@@ -918,7 +908,7 @@ rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, int *errp)
unsigned flavor = attr->rta_type;
if (flavor) {
if (flavor > rta_max[sz_idx])
- goto err_inval;
+ return -EINVAL;
rta_buf[flavor-1] = attr;
}
attr = RTA_NEXT(attr, attrlen);
@@ -927,15 +917,9 @@ rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, int *errp)
doit = rtnl_get_doit(family, type);
if (doit == NULL)
- goto err_inval;
- err = doit(skb, nlh, (void *)&rta_buf[0]);
-
- *errp = err;
- return err;
+ return -EINVAL;
-err_inval:
- *errp = -EINVAL;
- return -1;
+ return doit(skb, nlh, (void *)&rta_buf[0]);
}
static void rtnetlink_rcv(struct sock *sk, int len)