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authorThomas Graf <tgraf@suug.ch>2013-03-21 07:45:28 +0000
committerDavid S. Miller <davem@davemloft.net>2013-03-22 10:31:16 -0400
commit58d7d8f9b20ee6f883532b952f246e4289fe06eb (patch)
tree9d57be6839dd056ab37a63043ae871d36e0cf548 /net/decnet
parent9b924dbd5e903aa6394ff6feee8275b9bde313d1 (diff)
decnet: Parse netlink attributes on our own
decnet is the only subsystem left that is relying on the global netlink attribute buffer rta_buf. It's horrible design and we want to get rid of it. This converts all of decnet to do implicit attribute parsing. It also gets rid of the error prone struct dn_kern_rta. Yes, the fib_magic() stuff is not pretty. It's compiled tested but I need someone with appropriate hardware to test the patch since I don't have access to it. Cc: linux-decnet-user@lists.sourceforge.net Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/decnet')
-rw-r--r--net/decnet/dn_fib.c211
-rw-r--r--net/decnet/dn_route.c27
-rw-r--r--net/decnet/dn_table.c42
3 files changed, 154 insertions, 126 deletions
diff --git a/net/decnet/dn_fib.c b/net/decnet/dn_fib.c
index e36614eccc04..42a8048fe725 100644
--- a/net/decnet/dn_fib.c
+++ b/net/decnet/dn_fib.c
@@ -145,22 +145,10 @@ static inline struct dn_fib_info *dn_fib_find_info(const struct dn_fib_info *nfi
return NULL;
}
-__le16 dn_fib_get_attr16(struct rtattr *attr, int attrlen, int type)
+static int dn_fib_count_nhs(const struct nlattr *attr)
{
- while(RTA_OK(attr,attrlen)) {
- if (attr->rta_type == type)
- return *(__le16*)RTA_DATA(attr);
- attr = RTA_NEXT(attr, attrlen);
- }
-
- return 0;
-}
-
-static int dn_fib_count_nhs(struct rtattr *rta)
-{
- int nhs = 0;
- struct rtnexthop *nhp = RTA_DATA(rta);
- int nhlen = RTA_PAYLOAD(rta);
+ struct rtnexthop *nhp = nla_data(attr);
+ int nhs = 0, nhlen = nla_len(attr);
while(nhlen >= (int)sizeof(struct rtnexthop)) {
if ((nhlen -= nhp->rtnh_len) < 0)
@@ -172,10 +160,11 @@ static int dn_fib_count_nhs(struct rtattr *rta)
return nhs;
}
-static int dn_fib_get_nhs(struct dn_fib_info *fi, const struct rtattr *rta, const struct rtmsg *r)
+static int dn_fib_get_nhs(struct dn_fib_info *fi, const struct nlattr *attr,
+ const struct rtmsg *r)
{
- struct rtnexthop *nhp = RTA_DATA(rta);
- int nhlen = RTA_PAYLOAD(rta);
+ struct rtnexthop *nhp = nla_data(attr);
+ int nhlen = nla_len(attr);
change_nexthops(fi) {
int attrlen = nhlen - sizeof(struct rtnexthop);
@@ -187,7 +176,10 @@ static int dn_fib_get_nhs(struct dn_fib_info *fi, const struct rtattr *rta, cons
nh->nh_weight = nhp->rtnh_hops + 1;
if (attrlen) {
- nh->nh_gw = dn_fib_get_attr16(RTNH_DATA(nhp), attrlen, RTA_GATEWAY);
+ struct nlattr *gw_attr;
+
+ gw_attr = nla_find((struct nlattr *) (nhp + 1), attrlen, RTA_GATEWAY);
+ nh->nh_gw = gw_attr ? nla_get_le16(gw_attr) : 0;
}
nhp = RTNH_NEXT(nhp);
} endfor_nexthops(fi);
@@ -268,7 +260,8 @@ out:
}
-struct dn_fib_info *dn_fib_create_info(const struct rtmsg *r, struct dn_kern_rta *rta, const struct nlmsghdr *nlh, int *errp)
+struct dn_fib_info *dn_fib_create_info(const struct rtmsg *r, struct nlattr *attrs[],
+ const struct nlmsghdr *nlh, int *errp)
{
int err;
struct dn_fib_info *fi = NULL;
@@ -281,11 +274,9 @@ struct dn_fib_info *dn_fib_create_info(const struct rtmsg *r, struct dn_kern_rta
if (dn_fib_props[r->rtm_type].scope > r->rtm_scope)
goto err_inval;
- if (rta->rta_mp) {
- nhs = dn_fib_count_nhs(rta->rta_mp);
- if (nhs == 0)
- goto err_inval;
- }
+ if (attrs[RTA_MULTIPATH] &&
+ (nhs = dn_fib_count_nhs(attrs[RTA_MULTIPATH])) == 0)
+ goto err_inval;
fi = kzalloc(sizeof(*fi)+nhs*sizeof(struct dn_fib_nh), GFP_KERNEL);
err = -ENOBUFS;
@@ -295,53 +286,65 @@ struct dn_fib_info *dn_fib_create_info(const struct rtmsg *r, struct dn_kern_rta
fi->fib_protocol = r->rtm_protocol;
fi->fib_nhs = nhs;
fi->fib_flags = r->rtm_flags;
- if (rta->rta_priority)
- fi->fib_priority = *rta->rta_priority;
- if (rta->rta_mx) {
- int attrlen = RTA_PAYLOAD(rta->rta_mx);
- struct rtattr *attr = RTA_DATA(rta->rta_mx);
- while(RTA_OK(attr, attrlen)) {
- unsigned int flavour = attr->rta_type;
+ if (attrs[RTA_PRIORITY])
+ fi->fib_priority = nla_get_u32(attrs[RTA_PRIORITY]);
+
+ if (attrs[RTA_METRICS]) {
+ struct nlattr *attr;
+ int rem;
- if (flavour) {
- if (flavour > RTAX_MAX)
+ nla_for_each_nested(attr, attrs[RTA_METRICS], rem) {
+ int type = nla_type(attr);
+
+ if (type) {
+ if (type > RTAX_MAX || nla_len(attr) < 4)
goto err_inval;
- fi->fib_metrics[flavour-1] = *(unsigned int *)RTA_DATA(attr);
+
+ fi->fib_metrics[type-1] = nla_get_u32(attr);
}
- attr = RTA_NEXT(attr, attrlen);
}
}
- if (rta->rta_prefsrc)
- memcpy(&fi->fib_prefsrc, rta->rta_prefsrc, 2);
- if (rta->rta_mp) {
- if ((err = dn_fib_get_nhs(fi, rta->rta_mp, r)) != 0)
+ if (attrs[RTA_PREFSRC])
+ fi->fib_prefsrc = nla_get_le16(attrs[RTA_PREFSRC]);
+
+ if (attrs[RTA_MULTIPATH]) {
+ if ((err = dn_fib_get_nhs(fi, attrs[RTA_MULTIPATH], r)) != 0)
goto failure;
- if (rta->rta_oif && fi->fib_nh->nh_oif != *rta->rta_oif)
+
+ if (attrs[RTA_OIF] &&
+ fi->fib_nh->nh_oif != nla_get_u32(attrs[RTA_OIF]))
goto err_inval;
- if (rta->rta_gw && memcmp(&fi->fib_nh->nh_gw, rta->rta_gw, 2))
+
+ if (attrs[RTA_GATEWAY] &&
+ fi->fib_nh->nh_gw != nla_get_le16(attrs[RTA_GATEWAY]))
goto err_inval;
} else {
struct dn_fib_nh *nh = fi->fib_nh;
- if (rta->rta_oif)
- nh->nh_oif = *rta->rta_oif;
- if (rta->rta_gw)
- memcpy(&nh->nh_gw, rta->rta_gw, 2);
+
+ if (attrs[RTA_OIF])
+ nh->nh_oif = nla_get_u32(attrs[RTA_OIF]);
+
+ if (attrs[RTA_GATEWAY])
+ nh->nh_gw = nla_get_le16(attrs[RTA_GATEWAY]);
+
nh->nh_flags = r->rtm_flags;
nh->nh_weight = 1;
}
if (r->rtm_type == RTN_NAT) {
- if (rta->rta_gw == NULL || nhs != 1 || rta->rta_oif)
+ if (!attrs[RTA_GATEWAY] || nhs != 1 || attrs[RTA_OIF])
goto err_inval;
- memcpy(&fi->fib_nh->nh_gw, rta->rta_gw, 2);
+
+ fi->fib_nh->nh_gw = nla_get_le16(attrs[RTA_GATEWAY]);
goto link_it;
}
if (dn_fib_props[r->rtm_type].error) {
- if (rta->rta_gw || rta->rta_oif || rta->rta_mp)
+ if (attrs[RTA_GATEWAY] || attrs[RTA_OIF] || attrs[RTA_MULTIPATH])
goto err_inval;
+
goto link_it;
}
@@ -367,8 +370,8 @@ struct dn_fib_info *dn_fib_create_info(const struct rtmsg *r, struct dn_kern_rta
}
if (fi->fib_prefsrc) {
- if (r->rtm_type != RTN_LOCAL || rta->rta_dst == NULL ||
- memcmp(&fi->fib_prefsrc, rta->rta_dst, 2))
+ if (r->rtm_type != RTN_LOCAL || !attrs[RTA_DST] ||
+ fi->fib_prefsrc != nla_get_le16(attrs[RTA_DST]))
if (dnet_addr_type(fi->fib_prefsrc) != RTN_LOCAL)
goto err_inval;
}
@@ -486,29 +489,24 @@ void dn_fib_select_multipath(const struct flowidn *fld, struct dn_fib_res *res)
spin_unlock_bh(&dn_fib_multipath_lock);
}
+const struct nla_policy rtm_dn_policy[RTA_MAX + 1] = {
+ [RTA_DST] = { .type = NLA_U16 },
+ [RTA_SRC] = { .type = NLA_U16 },
+ [RTA_IIF] = { .type = NLA_U32 },
+ [RTA_OIF] = { .type = NLA_U32 },
+ [RTA_GATEWAY] = { .type = NLA_U16 },
+ [RTA_PRIORITY] = { .type = NLA_U32 },
+ [RTA_PREFSRC] = { .type = NLA_U16 },
+ [RTA_METRICS] = { .type = NLA_NESTED },
+ [RTA_MULTIPATH] = { .type = NLA_NESTED },
+ [RTA_TABLE] = { .type = NLA_U32 },
+ [RTA_MARK] = { .type = NLA_U32 },
+};
-static int dn_fib_check_attr(struct rtmsg *r, struct rtattr **rta)
-{
- int i;
-
- for(i = 1; i <= RTA_MAX; i++) {
- struct rtattr *attr = rta[i-1];
- if (attr) {
- if (RTA_PAYLOAD(attr) < 4 && RTA_PAYLOAD(attr) != 2)
- return -EINVAL;
- if (i != RTA_MULTIPATH && i != RTA_METRICS &&
- i != RTA_TABLE)
- rta[i-1] = (struct rtattr *)RTA_DATA(attr);
- }
- }
-
- return 0;
-}
-
-static inline u32 rtm_get_table(struct rtattr **rta, u8 table)
+static inline u32 rtm_get_table(struct nlattr *attrs[], u8 table)
{
- if (rta[RTA_TABLE - 1])
- table = nla_get_u32((struct nlattr *) rta[RTA_TABLE - 1]);
+ if (attrs[RTA_TABLE])
+ table = nla_get_u32(attrs[RTA_TABLE]);
return table;
}
@@ -517,8 +515,9 @@ static int dn_fib_rtm_delroute(struct sk_buff *skb, struct nlmsghdr *nlh, void *
{
struct net *net = sock_net(skb->sk);
struct dn_fib_table *tb;
- struct rtattr **rta = arg;
- struct rtmsg *r = NLMSG_DATA(nlh);
+ struct rtmsg *r = nlmsg_data(nlh);
+ struct nlattr *attrs[RTA_MAX+1];
+ int err;
if (!capable(CAP_NET_ADMIN))
return -EPERM;
@@ -526,22 +525,24 @@ static int dn_fib_rtm_delroute(struct sk_buff *skb, struct nlmsghdr *nlh, void *
if (!net_eq(net, &init_net))
return -EINVAL;
- if (dn_fib_check_attr(r, rta))
- return -EINVAL;
+ err = nlmsg_parse(nlh, sizeof(*r), attrs, RTA_MAX, rtm_dn_policy);
+ if (err < 0)
+ return err;
- tb = dn_fib_get_table(rtm_get_table(rta, r->rtm_table), 0);
- if (tb)
- return tb->delete(tb, r, (struct dn_kern_rta *)rta, nlh, &NETLINK_CB(skb));
+ tb = dn_fib_get_table(rtm_get_table(attrs, r->rtm_table), 0);
+ if (!tb)
+ return -ESRCH;
- return -ESRCH;
+ return tb->delete(tb, r, attrs, nlh, &NETLINK_CB(skb));
}
static int dn_fib_rtm_newroute(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
{
struct net *net = sock_net(skb->sk);
struct dn_fib_table *tb;
- struct rtattr **rta = arg;
- struct rtmsg *r = NLMSG_DATA(nlh);
+ struct rtmsg *r = nlmsg_data(nlh);
+ struct nlattr *attrs[RTA_MAX+1];
+ int err;
if (!capable(CAP_NET_ADMIN))
return -EPERM;
@@ -549,14 +550,15 @@ static int dn_fib_rtm_newroute(struct sk_buff *skb, struct nlmsghdr *nlh, void *
if (!net_eq(net, &init_net))
return -EINVAL;
- if (dn_fib_check_attr(r, rta))
- return -EINVAL;
+ err = nlmsg_parse(nlh, sizeof(*r), attrs, RTA_MAX, rtm_dn_policy);
+ if (err < 0)
+ return err;
- tb = dn_fib_get_table(rtm_get_table(rta, r->rtm_table), 1);
- if (tb)
- return tb->insert(tb, r, (struct dn_kern_rta *)rta, nlh, &NETLINK_CB(skb));
+ tb = dn_fib_get_table(rtm_get_table(attrs, r->rtm_table), 1);
+ if (!tb)
+ return -ENOBUFS;
- return -ENOBUFS;
+ return tb->insert(tb, r, attrs, nlh, &NETLINK_CB(skb));
}
static void fib_magic(int cmd, int type, __le16 dst, int dst_len, struct dn_ifaddr *ifa)
@@ -566,10 +568,31 @@ static void fib_magic(int cmd, int type, __le16 dst, int dst_len, struct dn_ifad
struct nlmsghdr nlh;
struct rtmsg rtm;
} req;
- struct dn_kern_rta rta;
+ struct {
+ struct nlattr hdr;
+ __le16 dst;
+ } dst_attr = {
+ .dst = dst,
+ };
+ struct {
+ struct nlattr hdr;
+ __le16 prefsrc;
+ } prefsrc_attr = {
+ .prefsrc = ifa->ifa_local,
+ };
+ struct {
+ struct nlattr hdr;
+ u32 oif;
+ } oif_attr = {
+ .oif = ifa->ifa_dev->dev->ifindex,
+ };
+ struct nlattr *attrs[RTA_MAX+1] = {
+ [RTA_DST] = (struct nlattr *) &dst_attr,
+ [RTA_PREFSRC] = (struct nlattr * ) &prefsrc_attr,
+ [RTA_OIF] = (struct nlattr *) &oif_attr,
+ };
memset(&req.rtm, 0, sizeof(req.rtm));
- memset(&rta, 0, sizeof(rta));
if (type == RTN_UNICAST)
tb = dn_fib_get_table(RT_MIN_TABLE, 1);
@@ -591,14 +614,10 @@ static void fib_magic(int cmd, int type, __le16 dst, int dst_len, struct dn_ifad
req.rtm.rtm_scope = (type != RTN_LOCAL ? RT_SCOPE_LINK : RT_SCOPE_HOST);
req.rtm.rtm_type = type;
- rta.rta_dst = &dst;
- rta.rta_prefsrc = &ifa->ifa_local;
- rta.rta_oif = &ifa->ifa_dev->dev->ifindex;
-
if (cmd == RTM_NEWROUTE)
- tb->insert(tb, &req.rtm, &rta, &req.nlh, NULL);
+ tb->insert(tb, &req.rtm, attrs, &req.nlh, NULL);
else
- tb->delete(tb, &req.rtm, &rta, &req.nlh, NULL);
+ tb->delete(tb, &req.rtm, attrs, &req.nlh, NULL);
}
static void dn_fib_add_ifaddr(struct dn_ifaddr *ifa)
diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index 5ac0e153ef83..b4b3508e77f0 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -1619,17 +1619,21 @@ errout:
static int dn_cache_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh, void *arg)
{
struct net *net = sock_net(in_skb->sk);
- struct rtattr **rta = arg;
struct rtmsg *rtm = nlmsg_data(nlh);
struct dn_route *rt = NULL;
struct dn_skb_cb *cb;
int err;
struct sk_buff *skb;
struct flowidn fld;
+ struct nlattr *tb[RTA_MAX+1];
if (!net_eq(net, &init_net))
return -EINVAL;
+ err = nlmsg_parse(nlh, sizeof(*rtm), tb, RTA_MAX, rtm_dn_policy);
+ if (err < 0)
+ return err;
+
memset(&fld, 0, sizeof(fld));
fld.flowidn_proto = DNPROTO_NSP;
@@ -1639,12 +1643,14 @@ static int dn_cache_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh, void
skb_reset_mac_header(skb);
cb = DN_SKB_CB(skb);
- if (rta[RTA_SRC-1])
- memcpy(&fld.saddr, RTA_DATA(rta[RTA_SRC-1]), 2);
- if (rta[RTA_DST-1])
- memcpy(&fld.daddr, RTA_DATA(rta[RTA_DST-1]), 2);
- if (rta[RTA_IIF-1])
- memcpy(&fld.flowidn_iif, RTA_DATA(rta[RTA_IIF-1]), sizeof(int));
+ if (tb[RTA_SRC])
+ fld.saddr = nla_get_le16(tb[RTA_SRC]);
+
+ if (tb[RTA_DST])
+ fld.daddr = nla_get_le16(tb[RTA_DST]);
+
+ if (tb[RTA_IIF])
+ fld.flowidn_iif = nla_get_u32(tb[RTA_IIF]);
if (fld.flowidn_iif) {
struct net_device *dev;
@@ -1669,10 +1675,9 @@ static int dn_cache_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh, void
if (!err && -rt->dst.error)
err = rt->dst.error;
} else {
- int oif = 0;
- if (rta[RTA_OIF - 1])
- memcpy(&oif, RTA_DATA(rta[RTA_OIF - 1]), sizeof(int));
- fld.flowidn_oif = oif;
+ if (tb[RTA_OIF])
+ fld.flowidn_oif = nla_get_u32(tb[RTA_OIF]);
+
err = dn_route_output_key((struct dst_entry **)&rt, &fld, 0);
}
diff --git a/net/decnet/dn_table.c b/net/decnet/dn_table.c
index 6c2445bcaba1..fc42a0afd306 100644
--- a/net/decnet/dn_table.c
+++ b/net/decnet/dn_table.c
@@ -224,26 +224,27 @@ static struct dn_zone *dn_new_zone(struct dn_hash *table, int z)
}
-static int dn_fib_nh_match(struct rtmsg *r, struct nlmsghdr *nlh, struct dn_kern_rta *rta, struct dn_fib_info *fi)
+static int dn_fib_nh_match(struct rtmsg *r, struct nlmsghdr *nlh, struct nlattr *attrs[], struct dn_fib_info *fi)
{
struct rtnexthop *nhp;
int nhlen;
- if (rta->rta_priority && *rta->rta_priority != fi->fib_priority)
+ if (attrs[RTA_PRIORITY] &&
+ nla_get_u32(attrs[RTA_PRIORITY]) != fi->fib_priority)
return 1;
- if (rta->rta_oif || rta->rta_gw) {
- if ((!rta->rta_oif || *rta->rta_oif == fi->fib_nh->nh_oif) &&
- (!rta->rta_gw || memcmp(rta->rta_gw, &fi->fib_nh->nh_gw, 2) == 0))
+ if (attrs[RTA_OIF] || attrs[RTA_GATEWAY]) {
+ if ((!attrs[RTA_OIF] || nla_get_u32(attrs[RTA_OIF]) == fi->fib_nh->nh_oif) &&
+ (!attrs[RTA_GATEWAY] || nla_get_le16(attrs[RTA_GATEWAY]) != fi->fib_nh->nh_gw))
return 0;
return 1;
}
- if (rta->rta_mp == NULL)
+ if (!attrs[RTA_MULTIPATH])
return 0;
- nhp = RTA_DATA(rta->rta_mp);
- nhlen = RTA_PAYLOAD(rta->rta_mp);
+ nhp = nla_data(attrs[RTA_MULTIPATH]);
+ nhlen = nla_len(attrs[RTA_MULTIPATH]);
for_nexthops(fi) {
int attrlen = nhlen - sizeof(struct rtnexthop);
@@ -254,7 +255,10 @@ static int dn_fib_nh_match(struct rtmsg *r, struct nlmsghdr *nlh, struct dn_kern
if (nhp->rtnh_ifindex && nhp->rtnh_ifindex != nh->nh_oif)
return 1;
if (attrlen) {
- gw = dn_fib_get_attr16(RTNH_DATA(nhp), attrlen, RTA_GATEWAY);
+ struct nlattr *gw_attr;
+
+ gw_attr = nla_find((struct nlattr *) (nhp + 1), attrlen, RTA_GATEWAY);
+ gw = gw_attr ? nla_get_le16(gw_attr) : 0;
if (gw && gw != nh->nh_gw)
return 1;
@@ -517,7 +521,8 @@ out:
return skb->len;
}
-static int dn_fib_table_insert(struct dn_fib_table *tb, struct rtmsg *r, struct dn_kern_rta *rta, struct nlmsghdr *n, struct netlink_skb_parms *req)
+static int dn_fib_table_insert(struct dn_fib_table *tb, struct rtmsg *r, struct nlattr *attrs[],
+ struct nlmsghdr *n, struct netlink_skb_parms *req)
{
struct dn_hash *table = (struct dn_hash *)tb->data;
struct dn_fib_node *new_f, *f, **fp, **del_fp;
@@ -536,15 +541,14 @@ static int dn_fib_table_insert(struct dn_fib_table *tb, struct rtmsg *r, struct
return -ENOBUFS;
dz_key_0(key);
- if (rta->rta_dst) {
- __le16 dst;
- memcpy(&dst, rta->rta_dst, 2);
+ if (attrs[RTA_DST]) {
+ __le16 dst = nla_get_le16(attrs[RTA_DST]);
if (dst & ~DZ_MASK(dz))
return -EINVAL;
key = dz_key(dst, dz);
}
- if ((fi = dn_fib_create_info(r, rta, n, &err)) == NULL)
+ if ((fi = dn_fib_create_info(r, attrs, n, &err)) == NULL)
return err;
if (dz->dz_nent > (dz->dz_divisor << 2) &&
@@ -654,7 +658,8 @@ out:
}
-static int dn_fib_table_delete(struct dn_fib_table *tb, struct rtmsg *r, struct dn_kern_rta *rta, struct nlmsghdr *n, struct netlink_skb_parms *req)
+static int dn_fib_table_delete(struct dn_fib_table *tb, struct rtmsg *r, struct nlattr *attrs[],
+ struct nlmsghdr *n, struct netlink_skb_parms *req)
{
struct dn_hash *table = (struct dn_hash*)tb->data;
struct dn_fib_node **fp, **del_fp, *f;
@@ -671,9 +676,8 @@ static int dn_fib_table_delete(struct dn_fib_table *tb, struct rtmsg *r, struct
return -ESRCH;
dz_key_0(key);
- if (rta->rta_dst) {
- __le16 dst;
- memcpy(&dst, rta->rta_dst, 2);
+ if (attrs[RTA_DST]) {
+ __le16 dst = nla_get_le16(attrs[RTA_DST]);
if (dst & ~DZ_MASK(dz))
return -EINVAL;
key = dz_key(dst, dz);
@@ -703,7 +707,7 @@ static int dn_fib_table_delete(struct dn_fib_table *tb, struct rtmsg *r, struct
(r->rtm_scope == RT_SCOPE_NOWHERE || f->fn_scope == r->rtm_scope) &&
(!r->rtm_protocol ||
fi->fib_protocol == r->rtm_protocol) &&
- dn_fib_nh_match(r, n, rta, fi) == 0)
+ dn_fib_nh_match(r, n, attrs, fi) == 0)
del_fp = fp;
}

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