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Commit 8a93664d authored by Weiping Pan's avatar Weiping Pan Committed by David S. Miller
Browse files

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: default avatarWeiping Pan <wpan@redhat.com>
Acked-by: default avatarNicolas de Pesloüan <nicolas.2p.debian@free.fr>
Signed-off-by: default avatarJay Vosburgh <fubar@us.ibm.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 5aa04d3a

drivers/net/bonding/bond_sysfs.c

+6 −2
Original line number Diff line number Diff line
@@ -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);