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Groups > linux.kernel > #1462331

[PATCH 3.14 25/29] bonding: set carrier off for devices created through netlink

From Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Newsgroups linux.kernel
Subject [PATCH 3.14 25/29] bonding: set carrier off for devices created through netlink
Date 2016-08-14 22:20 +0200
Message-ID <s6a2Z-4oa-7@gated-at.bofh.it> (permalink)
References <s69Tj-4kH-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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3.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Beniamino Galvani <bgalvani@redhat.com>

[ Upstream commit 005db31d5f5f7c31cfdc43505d77eb3ca5cf8ec6 ]

Commit e826eafa65c6 ("bonding: Call netif_carrier_off after
register_netdevice") moved netif_carrier_off() from bond_init() to
bond_create(), but the latter is called only for initial default
devices and ones created through sysfs:

 $ modprobe bonding
 $ echo +bond1 > /sys/class/net/bonding_masters
 $ ip link add bond2 type bond
 $ grep "MII Status" /proc/net/bonding/*
 /proc/net/bonding/bond0:MII Status: down
 /proc/net/bonding/bond1:MII Status: down
 /proc/net/bonding/bond2:MII Status: up

Ensure that carrier is initially off also for devices created through
netlink.

Signed-off-by: Beniamino Galvani <bgalvani@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/net/bonding/bond_netlink.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

--- a/drivers/net/bonding/bond_netlink.c
+++ b/drivers/net/bonding/bond_netlink.c
@@ -360,7 +360,11 @@ static int bond_newlink(struct net *src_
 	if (err < 0)
 		return err;
 
-	return register_netdevice(bond_dev);
+	err = register_netdevice(bond_dev);
+
+	netif_carrier_off(bond_dev);
+
+	return err;
 }
 
 static size_t bond_get_size(const struct net_device *bond_dev)

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[PATCH 3.14 00/29] 3.14.76-stable review Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-08-14 22:10 +0200
  [PATCH 3.14 16/29] block: fix use-after-free in seq file Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-08-14 22:10 +0200
  [PATCH 3.14 02/29] mm: migrate dirty page without clear_page_dirty_for_io etc Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-08-14 22:10 +0200
  [PATCH 3.14 10/29] KEYS: 64-bit MIPS needs to use compat_sys_keyctl for 32-bit userspace Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-08-14 22:10 +0200
  [PATCH 3.14 09/29] arm: oabi compat: add missing access checks Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-08-14 22:10 +0200
  [PATCH 3.14 12/29] random: strengthen input validation for RNDADDTOENTCNT Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-08-14 22:10 +0200
  [PATCH 3.14 05/29] sctp: Prevent soft lockup when sctp_accept() is called during a timeout event Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-08-14 22:20 +0200
  [PATCH 3.14 25/29] bonding: set carrier off for devices created through netlink Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-08-14 22:20 +0200
  [PATCH 3.14 01/29] USB: fix invalid memory access in hub_activate() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-08-14 22:20 +0200
  [PATCH 3.14 22/29] ext4: fix deadlock during page writeback Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-08-14 22:20 +0200
  [PATCH 3.14 24/29] ext4: short-cut orphan cleanup on error Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-08-14 22:20 +0200
  [PATCH 3.14 28/29] [PATCH 1/8] tcp: make challenge acks less predictable Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-08-14 22:20 +0200
  [PATCH 3.14 11/29] apparmor: fix ref count leak when profile sha1 hash is read Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-08-14 22:20 +0200
  [PATCH 3.14 19/29] crypto: gcm - Filter out async ghash if necessary Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-08-14 22:20 +0200
  Re: [PATCH 3.14 00/29] 3.14.76-stable review Guenter Roeck <linux@roeck-us.net> - 2016-08-15 16:50 +0200
  Re: [PATCH 3.14 00/29] 3.14.76-stable review Shuah Khan <shuah.kh@samsung.com> - 2016-08-16 06:10 +0200

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