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SubjectRe: [PATCH] vme: add missing put_device() after device_register() fails
On 13/02/13 18:47, Emilio G. Cota wrote:
> From: "Emilio G. Cota" <cota@braap.org>
>
> put_device() must be called after device_register() fails,
> since device_register() always initializes the refcount
> on the device structure.
>
> Signed-off-by: Emilio G. Cota <cota@braap.org>
> ---
> drivers/vme/vme.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/vme/vme.c b/drivers/vme/vme.c
> index 95a9f71..5e6c7d7 100644
> --- a/drivers/vme/vme.c
> +++ b/drivers/vme/vme.c
> @@ -1366,26 +1366,27 @@ static int __vme_register_driver_bus(struct vme_driver *drv,
> err = device_register(&vdev->dev);
> if (err)
> goto err_reg;
>
> if (vdev->dev.platform_data) {
> list_add_tail(&vdev->drv_list, &drv->devices);
> list_add_tail(&vdev->bridge_list, &bridge->devices);
> } else
> device_unregister(&vdev->dev);
> }
> return 0;
>
> err_reg:
> + put_device(&vdev->dev);
> kfree(vdev);
> err_devalloc:
> list_for_each_entry_safe(vdev, tmp, &drv->devices, drv_list) {
> list_del(&vdev->drv_list);
> list_del(&vdev->bridge_list);
> device_unregister(&vdev->dev);
> }
> return err;
> }

Acked-by: Martyn Welch <martyn.welch@ge.com>

(Sorry it took me so long to respond)

>
> static int __vme_register_driver(struct vme_driver *drv, unsigned int ndevs)
> {
> struct vme_bridge *bridge;
>


--
Martyn Welch (Lead Software Engineer) | Registered in England and Wales
GE Intelligent Platforms | (3828642) at 100 Barbirolli Square
T +44(0)1327322748 | Manchester, M2 3AB
E martyn.welch@ge.com | VAT:GB 927559189


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