Re: [PATCH 2/2] staging: vme: fix bug in vme_register_bridge

From: Martyn Welch
Date: Wed Feb 23 2011 - 04:49:54 EST


On 23/02/11 09:26, Manohar Vanga wrote:
> Fix a bug in vme_register_bridge that results in an infinite loop in
> the event that device_register fails.
>

Good catch!

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

> Signed-off-by: Manohar Vanga <manohar.vanga@xxxxxxx>
> ---
> drivers/staging/vme/vme.c | 5 +++++
> 1 files changed, 5 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/staging/vme/vme.c b/drivers/staging/vme/vme.c
> index 88bf455..e77d6a8 100644
> --- a/drivers/staging/vme/vme.c
> +++ b/drivers/staging/vme/vme.c
> @@ -1364,9 +1364,14 @@ int vme_register_bridge(struct vme_bridge *bridge)
> return retval;
>
> err_reg:
> + /*
> + * Ignore the failed device and unregister the rest.
> + */
> + i--;
> while (i > -1) {
> dev = &bridge->dev[i];
> device_unregister(dev);
> + i--;
> }
> vme_free_bus_num(bridge->num);
> return retval;


--
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E martyn.welch@xxxxxx | M2 3AB VAT:GB 927559189
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