> -----Original Message-----
> From: linux-kernel-owner@xxxxxxxxxxxxxxx <linux-kernel-owner@xxxxxxxxxxxxxxx> On Behalf
> Of Arvind Yadav
> Sent: Saturday, March 17, 2018 11:48 PM
> To: Stephen Hemminger <sthemmin@xxxxxxxxxxxxx>; Haiyang Zhang
> <haiyangz@xxxxxxxxxxxxx>
> Cc: linux-kernel@xxxxxxxxxxxxxxx; devel@xxxxxxxxxxxxxxxxxxxxxx
> Subject: [PATCH] vmbus: use put_device() if device_register fail
>
> if device_register() returned an error. Always use put_device()
> to give up the reference initialized.
>
> Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
Reviewed-by: Michael Kelley <mikelley@xxxxxxxxxxxxx>
> ---
> drivers/hv/vmbus_drv.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
> index bc65c4d..25da2f3 100644
> --- a/drivers/hv/vmbus_drv.c
> +++ b/drivers/hv/vmbus_drv.c
> @@ -1358,6 +1358,7 @@ int vmbus_device_register(struct hv_device *child_device_obj)
> ret = device_register(&child_device_obj->device);
> if (ret) {
> pr_err("Unable to register child device\n");
> + put_device(&child_device_obj->device);
> return ret;
> }
>
> --
> 2.7.4
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