* [PATCH net-next] net: openvswitch: Release reference to netdev
@ 2024-04-23 7:37 Jun Gu
2024-04-23 11:15 ` [ovs-dev] " Simon Horman
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: Jun Gu @ 2024-04-23 7:37 UTC (permalink / raw)
To: pshelar; +Cc: netdev, dev, linux-kernel, Jun Gu
dev_get_by_name will provide a reference on the netdev. So ensure that
the reference of netdev is released after completed.
Fixes: 2540088b836f ("net: openvswitch: Check vport netdev name")
Signed-off-by: Jun Gu <jun.gu@easystack.cn>
---
net/openvswitch/vport-netdev.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/net/openvswitch/vport-netdev.c b/net/openvswitch/vport-netdev.c
index 618edc346c0f..91a11067e458 100644
--- a/net/openvswitch/vport-netdev.c
+++ b/net/openvswitch/vport-netdev.c
@@ -78,12 +78,16 @@ struct vport *ovs_netdev_link(struct vport *vport, const char *name)
int err;
vport->dev = dev_get_by_name(ovs_dp_get_net(vport->dp), name);
+ if (!vport->dev) {
+ err = -ENODEV;
+ goto error_free_vport;
+ }
/* Ensure that the device exists and that the provided
* name is not one of its aliases.
*/
- if (!vport->dev || strcmp(name, ovs_vport_name(vport))) {
+ if (strcmp(name, ovs_vport_name(vport))) {
err = -ENODEV;
- goto error_free_vport;
+ goto error_put;
}
netdev_tracker_alloc(vport->dev, &vport->dev_tracker, GFP_KERNEL);
if (vport->dev->flags & IFF_LOOPBACK ||
--
2.25.1
^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [ovs-dev] [PATCH net-next] net: openvswitch: Release reference to netdev
2024-04-23 7:37 [PATCH net-next] net: openvswitch: Release reference to netdev Jun Gu
@ 2024-04-23 11:15 ` Simon Horman
2024-04-23 11:19 ` Eelco Chaudron
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: Simon Horman @ 2024-04-23 11:15 UTC (permalink / raw)
To: Jun Gu
Cc: pshelar, dev, netdev, linux-kernel, David S. Miller, Eric Dumazet,
Jakub Kicinski, Paolo Abeni, Eelco Chaudron
+ David Miller, Eric Dumazet, Jakub Kicinski, Paolo Abeni, Eelco Chaudron
On Tue, Apr 23, 2024 at 03:37:51PM +0800, Jun Gu wrote:
> dev_get_by_name will provide a reference on the netdev. So ensure that
> the reference of netdev is released after completed.
>
> Fixes: 2540088b836f ("net: openvswitch: Check vport netdev name")
> Signed-off-by: Jun Gu <jun.gu@easystack.cn>
Hi Jun Gu,
This change looks good to me.
Unfortunately didn't seem to hit netdev for some reason.
And, probably unrelated to that some CCs were missing:
they should be seeded using ./scripts/get_maintainer.pl my.patch
I'd wait for feedback from Jakub on if a repost is needed
(because for one thing it's not good to repost within 24h.)
The above notwithstanding,
Reviewed-by: Simon Horman <horms@kernel.org>
> ---
> net/openvswitch/vport-netdev.c | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/net/openvswitch/vport-netdev.c b/net/openvswitch/vport-netdev.c
> index 618edc346c0f..91a11067e458 100644
> --- a/net/openvswitch/vport-netdev.c
> +++ b/net/openvswitch/vport-netdev.c
> @@ -78,12 +78,16 @@ struct vport *ovs_netdev_link(struct vport *vport, const char *name)
> int err;
>
> vport->dev = dev_get_by_name(ovs_dp_get_net(vport->dp), name);
> + if (!vport->dev) {
> + err = -ENODEV;
> + goto error_free_vport;
> + }
> /* Ensure that the device exists and that the provided
> * name is not one of its aliases.
> */
> - if (!vport->dev || strcmp(name, ovs_vport_name(vport))) {
> + if (strcmp(name, ovs_vport_name(vport))) {
> err = -ENODEV;
> - goto error_free_vport;
> + goto error_put;
> }
> netdev_tracker_alloc(vport->dev, &vport->dev_tracker, GFP_KERNEL);
> if (vport->dev->flags & IFF_LOOPBACK ||
> --
> 2.25.1
>
> _______________________________________________
> dev mailing list
> dev@openvswitch.org
> https://mail.openvswitch.org/mailman/listinfo/ovs-dev
>
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [ovs-dev] [PATCH net-next] net: openvswitch: Release reference to netdev
2024-04-23 7:37 [PATCH net-next] net: openvswitch: Release reference to netdev Jun Gu
2024-04-23 11:15 ` [ovs-dev] " Simon Horman
@ 2024-04-23 11:19 ` Eelco Chaudron
2024-04-24 15:05 ` Aaron Conole
2024-04-25 0:10 ` patchwork-bot+netdevbpf
3 siblings, 0 replies; 5+ messages in thread
From: Eelco Chaudron @ 2024-04-23 11:19 UTC (permalink / raw)
To: Jun Gu; +Cc: pshelar, dev, netdev, linux-kernel
On 23 Apr 2024, at 9:37, Jun Gu wrote:
> dev_get_by_name will provide a reference on the netdev. So ensure that
> the reference of netdev is released after completed.
>
> Fixes: 2540088b836f ("net: openvswitch: Check vport netdev name")
> Signed-off-by: Jun Gu <jun.gu@easystack.cn>
Thanks Jun for the follow-up! The change looks good to me!
Acked-by: Eelco Chaudron <echaudro@redhat.com>
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [ovs-dev] [PATCH net-next] net: openvswitch: Release reference to netdev
2024-04-23 7:37 [PATCH net-next] net: openvswitch: Release reference to netdev Jun Gu
2024-04-23 11:15 ` [ovs-dev] " Simon Horman
2024-04-23 11:19 ` Eelco Chaudron
@ 2024-04-24 15:05 ` Aaron Conole
2024-04-25 0:10 ` patchwork-bot+netdevbpf
3 siblings, 0 replies; 5+ messages in thread
From: Aaron Conole @ 2024-04-24 15:05 UTC (permalink / raw)
To: Jun Gu; +Cc: pshelar, dev, netdev, linux-kernel
Jun Gu <jun.gu@easystack.cn> writes:
> dev_get_by_name will provide a reference on the netdev. So ensure that
> the reference of netdev is released after completed.
>
> Fixes: 2540088b836f ("net: openvswitch: Check vport netdev name")
> Signed-off-by: Jun Gu <jun.gu@easystack.cn>
> ---
Thanks!
Reviewed-by: Aaron Conole <aconole@redhat.com>
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH net-next] net: openvswitch: Release reference to netdev
2024-04-23 7:37 [PATCH net-next] net: openvswitch: Release reference to netdev Jun Gu
` (2 preceding siblings ...)
2024-04-24 15:05 ` Aaron Conole
@ 2024-04-25 0:10 ` patchwork-bot+netdevbpf
3 siblings, 0 replies; 5+ messages in thread
From: patchwork-bot+netdevbpf @ 2024-04-25 0:10 UTC (permalink / raw)
To: Jun Gu; +Cc: pshelar, netdev, dev, linux-kernel
Hello:
This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Tue, 23 Apr 2024 15:37:51 +0800 you wrote:
> dev_get_by_name will provide a reference on the netdev. So ensure that
> the reference of netdev is released after completed.
>
> Fixes: 2540088b836f ("net: openvswitch: Check vport netdev name")
> Signed-off-by: Jun Gu <jun.gu@easystack.cn>
> ---
> net/openvswitch/vport-netdev.c | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
Here is the summary with links:
- [net-next] net: openvswitch: Release reference to netdev
https://git.kernel.org/netdev/net-next/c/66270920f90f
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
^ permalink raw reply [flat|nested] 5+ messages in thread
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2024-04-23 7:37 [PATCH net-next] net: openvswitch: Release reference to netdev Jun Gu
2024-04-23 11:15 ` [ovs-dev] " Simon Horman
2024-04-23 11:19 ` Eelco Chaudron
2024-04-24 15:05 ` Aaron Conole
2024-04-25 0:10 ` patchwork-bot+netdevbpf
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