commit c3ae059edf3316cff1075c2401bdeefa5e262251
Author: Patrick McHardy <kaber@trash.net>
Date: Tue Oct 7 16:55:21 2008 +0200
[IPROUTE]: Refuse "ip link add/replace" without device type parameter
Fix confusing error message noticed by Martin Josefsson:
# ip link add
RTNETLINK answers: Operation not supported
The reason is missing device type information, refuse this and print a message.
Signed-off-by: Patrick McHardy <kaber@trash.net>
@@ -336,6 +336,10 @@ static int iplink_modify(int cmd, unsigned int flags, int argc, char **argv)
return -1;
}
linkinfo->rta_len = (void *)NLMSG_TAIL(&req.n) - (void *)linkinfo;
+ } else if (flags & NLM_F_CREATE) {
+ fprintf(stderr, "Not enough informatin: \"type\" argument "
+ "is required\n");
+ return -1;
}
if (!(flags & NLM_F_CREATE)) {