netdev - [PATCH net 1/3] bonding:record primary when modify it via sysfs

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Message-Id: <84a4e0e6bbdc9206baefb1454324f4759a98b80e.1339404887.git.wpan@redhat.com>
Date:	Mon, 11 Jun 2012 17:00:20 +0800
From:	Weiping Pan <wpan@...hat.com>
To:	netdev@...r.kernel.org
Subject: [PATCH net 1/3] bonding:record primary when modify it via sysfs

If we modify primary via sysfs and it is not a valid slave,
we should record it for future use, and this behavior is the same with
bond_check_params().

Signed-off-by: Weiping Pan <wpan@...hat.com>
---
 drivers/net/bonding/bond_sysfs.c |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index aef42f0..485bedb 100644
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -1082,8 +1082,12 @@ static ssize_t bonding_store_primary(struct device *d,
 		}
 	}
 
-	pr_info("%s: Unable to set %.*s as primary slave.\n",
-		bond->dev->name, (int)strlen(buf) - 1, buf);
+	strncpy(bond->params.primary, ifname, IFNAMSIZ);
+	bond->params.primary[IFNAMSIZ - 1] = 0;
+
+	pr_info("%s: Recording %s as primary, "
+		"but it has not been enslaved to %s yet.\n",
+		bond->dev->name, ifname, bond->dev->name);
 out:
 	write_unlock_bh(&bond->curr_slave_lock);
 	read_unlock(&bond->lock);
-- 
1.7.4

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