On Sat, Aug 27, 2011 at 11:31:40AM -0700, K. Y. Srinivasan wrote:
> Fix a bug in error handling in vmbus_bus_init().
>
> Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
> Signed-off-by: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>
> ---
> drivers/staging/hv/vmbus_drv.c | 21 ++++++++++-----------
> 1 files changed, 10 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/staging/hv/vmbus_drv.c b/drivers/staging/hv/vmbus_drv.c
> index 02edb11..4d1b123 100644
> --- a/drivers/staging/hv/vmbus_drv.c
> +++ b/drivers/staging/hv/vmbus_drv.c
> @@ -492,7 +492,7 @@ static int vmbus_bus_init(int irq)
>
> ret = bus_register(&hv_bus);
> if (ret)
> - return ret;
> + goto err1;
>
> ret = request_irq(irq, vmbus_isr, IRQF_SAMPLE_RANDOM,
> driver_name, hv_acpi_dev);
> @@ -500,10 +500,7 @@ static int vmbus_bus_init(int irq)
> if (ret != 0) {
> pr_err("Unable to request IRQ %d\n",
> irq);
> -
> - bus_unregister(&hv_bus);
> -
> - return ret;
> + goto err2;
> }
>
> vector = IRQ0_VECTOR + irq;
> @@ -514,16 +511,18 @@ static int vmbus_bus_init(int irq)
> */
> on_each_cpu(hv_synic_init, (void *)&vector, 1);
> ret = vmbus_connect();
> - if (ret) {
> - free_irq(irq, hv_acpi_dev);
> - bus_unregister(&hv_bus);
> - return ret;
> - }
> -
> + if (ret)
> + goto err3;
>
> vmbus_request_offers();
>
> return 0;
> +
> +err3: free_irq(irq, hv_acpi_dev);
> +err2: bus_unregister(&hv_bus);
> +err1: hv_cleanup();
The traditional way to write this is:
err3:
free_irq(irq, hv_acpi_dev);
err2:
bus_unregister(&hv_bus);
err1:
hv_cleanup();
Care to fix this up and resend it?
thanks,
greg k-h
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