* [PATCH] xen/netback: fix error path of xenvif_connect_data()
@ 2019-10-18 7:45 Juergen Gross
2019-10-18 9:10 ` Wei Liu
2019-10-19 18:51 ` David Miller
0 siblings, 2 replies; 3+ messages in thread
From: Juergen Gross @ 2019-10-18 7:45 UTC (permalink / raw)
To: xen-devel, netdev, linux-kernel
Cc: Juergen Gross, Wei Liu, Paul Durrant, David S. Miller, stable
xenvif_connect_data() calls module_put() in case of error. This is
wrong as there is no related module_get().
Remove the superfluous module_put().
Fixes: 279f438e36c0a7 ("xen-netback: Don't destroy the netdev until the vif is shut down")
Cc: <stable@vger.kernel.org> # 3.12
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Paul Durrant <paul@xen.org>
---
drivers/net/xen-netback/interface.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c
index 240f762b3749..103ed00775eb 100644
--- a/drivers/net/xen-netback/interface.c
+++ b/drivers/net/xen-netback/interface.c
@@ -719,7 +719,6 @@ int xenvif_connect_data(struct xenvif_queue *queue,
xenvif_unmap_frontend_data_rings(queue);
netif_napi_del(&queue->napi);
err:
- module_put(THIS_MODULE);
return err;
}
--
2.16.4
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] xen/netback: fix error path of xenvif_connect_data()
2019-10-18 7:45 [PATCH] xen/netback: fix error path of xenvif_connect_data() Juergen Gross
@ 2019-10-18 9:10 ` Wei Liu
2019-10-19 18:51 ` David Miller
1 sibling, 0 replies; 3+ messages in thread
From: Wei Liu @ 2019-10-18 9:10 UTC (permalink / raw)
To: Juergen Gross
Cc: xen-devel, netdev, linux-kernel, Wei Liu, Paul Durrant,
David S. Miller, stable
On Fri, Oct 18, 2019 at 09:45:49AM +0200, Juergen Gross wrote:
> xenvif_connect_data() calls module_put() in case of error. This is
> wrong as there is no related module_get().
>
> Remove the superfluous module_put().
>
> Fixes: 279f438e36c0a7 ("xen-netback: Don't destroy the netdev until the vif is shut down")
> Cc: <stable@vger.kernel.org> # 3.12
> Signed-off-by: Juergen Gross <jgross@suse.com>
> Reviewed-by: Paul Durrant <paul@xen.org>
Reviewed-by: Wei Liu <wei.liu@kernel.org>
> ---
> drivers/net/xen-netback/interface.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c
> index 240f762b3749..103ed00775eb 100644
> --- a/drivers/net/xen-netback/interface.c
> +++ b/drivers/net/xen-netback/interface.c
> @@ -719,7 +719,6 @@ int xenvif_connect_data(struct xenvif_queue *queue,
> xenvif_unmap_frontend_data_rings(queue);
> netif_napi_del(&queue->napi);
> err:
> - module_put(THIS_MODULE);
> return err;
> }
>
> --
> 2.16.4
>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] xen/netback: fix error path of xenvif_connect_data()
2019-10-18 7:45 [PATCH] xen/netback: fix error path of xenvif_connect_data() Juergen Gross
2019-10-18 9:10 ` Wei Liu
@ 2019-10-19 18:51 ` David Miller
1 sibling, 0 replies; 3+ messages in thread
From: David Miller @ 2019-10-19 18:51 UTC (permalink / raw)
To: jgross; +Cc: xen-devel, netdev, linux-kernel, wei.liu, paul, stable
From: Juergen Gross <jgross@suse.com>
Date: Fri, 18 Oct 2019 09:45:49 +0200
> xenvif_connect_data() calls module_put() in case of error. This is
> wrong as there is no related module_get().
>
> Remove the superfluous module_put().
>
> Fixes: 279f438e36c0a7 ("xen-netback: Don't destroy the netdev until the vif is shut down")
> Signed-off-by: Juergen Gross <jgross@suse.com>
> Reviewed-by: Paul Durrant <paul@xen.org>
Applied and queued up for -stable.
^ permalink raw reply [flat|nested] 3+ messages in thread
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