netdev - Re: [PATCH net-next 5/7] net: bonding: Add extack messages for some enslave failures

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Message-ID: <20171004063828.GB1895@nanopsycho>
Date:   Wed, 4 Oct 2017 08:38:28 +0200
From:   Jiri Pirko <jiri@...nulli.us>
To:     David Ahern <dsahern@...il.com>
Cc:     netdev@...r.kernel.org, j.vosburgh@...il.com, vfalico@...il.com,
        andy@...yhouse.net, jiri@...lanox.com, idosch@...lanox.com,
        davem@...emloft.net, bridge@...ts.linux-foundation.org
Subject: Re: [PATCH net-next 5/7] net: bonding: Add extack messages for some
 enslave failures

Wed, Oct 04, 2017 at 06:58:52AM CEST, dsahern@...il.com wrote:
>A number of bond_enslave errors are logged using the netdev_err API.
>Return those messages to userspace via the extack facility.
>
>Signed-off-by: David Ahern <dsahern@...il.com>
>---
> drivers/net/bonding/bond_main.c | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
>diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
>index bc92307c2082..6688dc9154e0 100644
>--- a/drivers/net/bonding/bond_main.c
>+++ b/drivers/net/bonding/bond_main.c
>@@ -1348,12 +1348,15 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev,
> 
> 	/* already in-use? */
> 	if (netdev_is_rx_handler_busy(slave_dev)) {
>+		NL_SET_ERR_MSG(extack,
>+			       "Device is in use and cannot be enslaved");

Please don't do this kind of wrapping. Just let the string be on the
same line.