netifd: Remove superfluous system_if_resolve calls

Don't resolve the ifindex of the parent device again
when adding vlandev and macvlan devices as the ifindex
has already been resolved.

Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>

diff --git a/system-linux.c b/system-linux.c
index 6a6028c7e64ce3be76ecad022d4feb21396e4565..01c3deb65b9de5460ce66e8c26d2e52f2116afe8 100644 (file)
--- a/system-linux.c
+++ b/system-linux.c
@@ -760,7 +760,6 @@ int system_macvlan_add(struct device *macvlan, struct device *dev, struct macvla
        struct nl_msg *msg;
        struct nlattr *linkinfo, *data;
        struct ifinfomsg iim = { .ifi_family = AF_UNSPEC, };
-       int ifindex = system_if_resolve(dev);
        int i, rv;
        static const struct {
                const char *name;
@@ -772,9 +771,6 @@ int system_macvlan_add(struct device *macvlan, struct device *dev, struct macvla
                { "passthru", MACVLAN_MODE_PASSTHRU },
        };
 
-       if (ifindex == 0)
-               return -ENOENT;
-
        msg = nlmsg_alloc_simple(RTM_NEWLINK, NLM_F_REQUEST | NLM_F_CREATE | NLM_F_EXCL);
 
        if (!msg)
@@ -785,7 +781,7 @@ int system_macvlan_add(struct device *macvlan, struct device *dev, struct macvla
        if (cfg->flags & MACVLAN_OPT_MACADDR)
                nla_put(msg, IFLA_ADDRESS, sizeof(cfg->macaddr), cfg->macaddr);
        nla_put_string(msg, IFLA_IFNAME, macvlan->ifname);
-       nla_put_u32(msg, IFLA_LINK, ifindex);
+       nla_put_u32(msg, IFLA_LINK, dev->ifindex);
 
        if (!(linkinfo = nla_nest_start(msg, IFLA_LINKINFO)))
                goto nla_put_failure;
@@ -877,12 +873,8 @@ int system_vlandev_add(struct device *vlandev, struct device *dev, struct vlande
        struct nl_msg *msg;
        struct nlattr *linkinfo, *data;
        struct ifinfomsg iim = { .ifi_family = AF_UNSPEC };
-       int ifindex = system_if_resolve(dev);
        int rv;
 
-       if (ifindex == 0)
-               return -ENOENT;
-
        msg = nlmsg_alloc_simple(RTM_NEWLINK, NLM_F_REQUEST | NLM_F_CREATE | NLM_F_EXCL);
 
        if (!msg)
@@ -890,7 +882,7 @@ int system_vlandev_add(struct device *vlandev, struct device *dev, struct vlande
 
        nlmsg_append(msg, &iim, sizeof(iim), 0);
        nla_put_string(msg, IFLA_IFNAME, vlandev->ifname);
-       nla_put_u32(msg, IFLA_LINK, ifindex);
+       nla_put_u32(msg, IFLA_LINK, dev->ifindex);
        
        if (!(linkinfo = nla_nest_start(msg, IFLA_LINKINFO)))
                goto nla_put_failure;