[PATCH iproute2] iplink: don't try to get ll addr len when creating an iface

[Nicolas Dichtel]

It will obviously fail. This is a follow up of the commit
757837230a65 ("lib: suppress error msg when filling the cache").

Suggested-by: David Ahern <dsah...@gmail.com>
Signed-off-by: Nicolas Dichtel <nicolas.dich...@6wind.com>
---
 ip/iplink.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ip/iplink.c b/ip/iplink.c
index 7952cb2be364..d275efa9d087 100644
--- a/ip/iplink.c
+++ b/ip/iplink.c
@@ -945,7 +945,8 @@ int iplink_parse(int argc, char **argv, struct iplink_req 
*req, char **type)
        else if (!strcmp(name, dev))
                name = dev;
 
-       if (dev && addr_len) {
+       if (dev && addr_len &&
+           !(req->n.nlmsg_flags & NLM_F_CREATE)) {
                int halen = nl_get_ll_addr_len(dev);
 
                if (halen >= 0 && halen != addr_len) {
-- 
2.21.0