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* [PATCH] openvswitch: use -EEXIST as return error to be more precise
@ 2013-05-28  6:31 Fan Du
  2013-05-29  6:50 ` David Miller
  2013-05-29 18:02 ` Jesse Gross
  0 siblings, 2 replies; 3+ messages in thread
From: Fan Du @ 2013-05-28  6:31 UTC (permalink / raw)
  To: jesse; +Cc: davem, netdev

ovs_vport_cmd_new create a new vport with port num specified by user.
when this port num is already occupied, it's more clear to return
-EEXIST as the reason than -EBUSY.

Signed-off-by: Fan Du <fan.du@windriver.com>
---
 net/openvswitch/datapath.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
index d12d6b8..1e31095 100644
--- a/net/openvswitch/datapath.c
+++ b/net/openvswitch/datapath.c
@@ -1755,7 +1755,7 @@ static int ovs_vport_cmd_new(struct sk_buff *skb, struct genl_info *info)
 			goto exit_unlock;
 
 		vport = ovs_vport_ovsl(dp, port_no);
-		err = -EBUSY;
+		err = -EEXIST;
 		if (vport)
 			goto exit_unlock;
 	} else {
-- 
1.7.1

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] openvswitch: use -EEXIST as return error to be more precise
  2013-05-28  6:31 [PATCH] openvswitch: use -EEXIST as return error to be more precise Fan Du
@ 2013-05-29  6:50 ` David Miller
  2013-05-29 18:02 ` Jesse Gross
  1 sibling, 0 replies; 3+ messages in thread
From: David Miller @ 2013-05-29  6:50 UTC (permalink / raw)
  To: fan.du; +Cc: jesse, netdev

From: Fan Du <fan.du@windriver.com>
Date: Tue, 28 May 2013 14:31:16 +0800

> ovs_vport_cmd_new create a new vport with port num specified by user.
> when this port num is already occupied, it's more clear to return
> -EEXIST as the reason than -EBUSY.
> 
> Signed-off-by: Fan Du <fan.du@windriver.com>

Jesse?

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] openvswitch: use -EEXIST as return error to be more precise
  2013-05-28  6:31 [PATCH] openvswitch: use -EEXIST as return error to be more precise Fan Du
  2013-05-29  6:50 ` David Miller
@ 2013-05-29 18:02 ` Jesse Gross
  1 sibling, 0 replies; 3+ messages in thread
From: Jesse Gross @ 2013-05-29 18:02 UTC (permalink / raw)
  To: Fan Du; +Cc: David Miller, netdev, dev@openvswitch.org

On Tue, May 28, 2013 at 3:31 PM, Fan Du <fan.du@windriver.com> wrote:
> ovs_vport_cmd_new create a new vport with port num specified by user.
> when this port num is already occupied, it's more clear to return
> -EEXIST as the reason than -EBUSY.
>
> Signed-off-by: Fan Du <fan.du@windriver.com>

This error code is part of the userspace ABI so you can't change it
without breaking existing applications.

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2013-05-29 18:02 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2013-05-28  6:31 [PATCH] openvswitch: use -EEXIST as return error to be more precise Fan Du
2013-05-29  6:50 ` David Miller
2013-05-29 18:02 ` Jesse Gross

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