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-rw-r--r--drivers/net/vxlan.c8
-rw-r--r--include/net/nexthop.h11
2 files changed, 14 insertions, 5 deletions
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 8a39e8047f14..e8085ab6d484 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -857,7 +857,6 @@ static int vxlan_fdb_nh_update(struct vxlan_dev *vxlan, struct vxlan_fdb *fdb,
u32 nhid, struct netlink_ext_ack *extack)
{
struct nexthop *old_nh = rtnl_dereference(fdb->nh);
- struct nh_group *nhg;
struct nexthop *nh;
int err = -EINVAL;
@@ -881,8 +880,7 @@ static int vxlan_fdb_nh_update(struct vxlan_dev *vxlan, struct vxlan_fdb *fdb,
goto err_inval;
}
- nhg = rtnl_dereference(nh->nh_grp);
- if (!nh->is_group || !nhg->mpath) {
+ if (!nexthop_is_multipath(nh)) {
NL_SET_ERR_MSG(extack, "Nexthop is not a multipath group");
goto err_inval;
}
@@ -890,14 +888,14 @@ static int vxlan_fdb_nh_update(struct vxlan_dev *vxlan, struct vxlan_fdb *fdb,
/* check nexthop group family */
switch (vxlan->default_dst.remote_ip.sa.sa_family) {
case AF_INET:
- if (!nhg->has_v4) {
+ if (!nexthop_has_v4(nh)) {
err = -EAFNOSUPPORT;
NL_SET_ERR_MSG(extack, "Nexthop group family not supported");
goto err_inval;
}
break;
case AF_INET6:
- if (nhg->has_v4) {
+ if (nexthop_has_v4(nh)) {
err = -EAFNOSUPPORT;
NL_SET_ERR_MSG(extack, "Nexthop group family not supported");
goto err_inval;
diff --git a/include/net/nexthop.h b/include/net/nexthop.h
index 3f9e0ca2dc4d..3a4f9e3b91a5 100644
--- a/include/net/nexthop.h
+++ b/include/net/nexthop.h
@@ -151,6 +151,17 @@ static inline bool nexthop_is_fdb(const struct nexthop *nh)
}
}
+static inline bool nexthop_has_v4(const struct nexthop *nh)
+{
+ if (nh->is_group) {
+ struct nh_group *nh_grp;
+
+ nh_grp = rcu_dereference_rtnl(nh->nh_grp);
+ return nh_grp->has_v4;
+ }
+ return false;
+}
+
static inline bool nexthop_is_multipath(const struct nexthop *nh)
{
if (nh->is_group) {