netdev - [PATCH iproute2] ip route: don't assume default route

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Message-ID: <20141202164510.GA9005@mole.pavlix.net>
Date:	Tue, 2 Dec 2014 17:45:10 +0100
From:	=?UTF-8?q?Pavel=20=C5=A0imerda?= 
	<psimerda@...hat.com>
To:	netdev@...r.kernel.org
Cc:	Stephen Hemminger <shemming@...cade.com>
Subject: [PATCH iproute2] ip route: don't assume default route

Just print the help when "ip route del" is called without any other
arguments.

Resolves:

 * https://bugzilla.redhat.com/show_bug.cgi?id=997965

Signed-off-by: Pavel Šimerda <psimerda@...hat.com>
---
 ip/iproute.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ip/iproute.c b/ip/iproute.c
index d77b1e3..c171f29 100644
--- a/ip/iproute.c
+++ b/ip/iproute.c
@@ -975,6 +975,9 @@ static int iproute_modify(int cmd, unsigned flags, int argc, char **argv)
 		argc--; argv++;
 	}
 
+	if (!dst_ok)
+		usage();
+
 	if (d || nhs_ok)  {
 		int idx;
 
-- 
1.8.5.5

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