On Wed, 20 May 2009 02:19:35 +0200
Roel Kluin <roel.kluin@xxxxxxxxx> wrote:
> Do not go beyond ARRAY_SIZE of irq_ptr->{in,out}put_qs
>
> Signed-off-by: Roel Kluin <roel.kluin@xxxxxxxxx>
> ---
> diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
> index accd957..758e4b1 100644
> --- a/drivers/s390/cio/qdio_main.c
> +++ b/drivers/s390/cio/qdio_main.c
> @@ -1514,7 +1514,7 @@ int do_QDIO(struct ccw_device *cdev, unsigned int callflags,
>
> if ((bufnr > QDIO_MAX_BUFFERS_PER_Q) ||
> (count > QDIO_MAX_BUFFERS_PER_Q) ||
> - (q_nr > QDIO_MAX_QUEUES_PER_IRQ))
> + (q_nr >= QDIO_MAX_QUEUES_PER_IRQ))
> return -EINVAL;
>
> if (!count)
Nice find. I'll queue the patch to the git390 tree.
--
blue skies,
Martin.
"Reality continues to ruin my life." - Calvin.
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