On Sat, May 18, 2013 at 11:57:29AM +0900, Jonghwan Choi wrote:
> From: Jon Mason <[email protected]>
> 
> This patch looks like it should be in the 3.9-stable tree, should we apply
> it?

Yes, thanks.

> 
> ------------------
> 
> From: "Jon Mason <[email protected]>"
> 
> commit 8b19d450ad188d402a183ff4a4d40f31c3916fbf upstream
> 
> Fix issue with adding multiple ntb client devices to the ntb virtual
> bus.  Previously, multiple devices would be added with the same name,
> resulting in crashes.  To get around this issue, add a unique number to
> the device when it is added.
> 
> Cc: <[email protected]> # 3.9.x: ad3e2751: ntb: off by one
> Cc: <[email protected]> # 3.9.x: cc0f868d: NTB: fix pointer math
> Cc: <[email protected]> # 3.9.x: 113fc505: NTB: Handle 64bit BAR
> Cc: <[email protected]> # 3.9.x: b77b2637: NTB: Link toggle memory
> Cc: <[email protected]> # 3.9.x: 90f9e934: NTB: reset tx_index on
> Cc: <[email protected]> # 3.9.x: c9d534c8: NTB: Correctly handle receive
> Cc: <[email protected]> # 3.9.x: c336acd3: NTB: memcpy lockup workaround
> Cc: <[email protected]> # 3.9.x: 904435cf: ntb_netdev: remove from list
> Signed-off-by: Jon Mason <[email protected]>
> Signed-off-by: Jonghwan Choi <[email protected]>
> ---
>  drivers/ntb/ntb_transport.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c
> index 0f66daa..f365b2f 100644
> --- a/drivers/ntb/ntb_transport.c
> +++ b/drivers/ntb/ntb_transport.c
> @@ -300,7 +300,7 @@ int ntb_register_client_dev(char *device_name)
>  {
>       struct ntb_transport_client_dev *client_dev;
>       struct ntb_transport *nt;
> -     int rc;
> +     int rc, i = 0;
>  
>       if (list_empty(&ntb_transport_list))
>               return -ENODEV;
> @@ -318,7 +318,7 @@ int ntb_register_client_dev(char *device_name)
>               dev = &client_dev->dev;
>  
>               /* setup and register client devices */
> -             dev_set_name(dev, "%s", device_name);
> +             dev_set_name(dev, "%s%d", device_name, i);
>               dev->bus = &ntb_bus_type;
>               dev->release = ntb_client_release;
>               dev->parent = &ntb_query_pdev(nt->ndev)->dev;
> @@ -330,6 +330,7 @@ int ntb_register_client_dev(char *device_name)
>               }
>  
>               list_add_tail(&client_dev->entry, &nt->client_devs);
> +             i++;
>       }
>  
>       return 0;
> -- 
> 1.8.1.2
> 
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