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SubjectRe: [PATCH -next] vdpasim: remove unused variable 'ret'
On Fri, Apr 10, 2020 at 07:54:22PM +0800, YueHaibing wrote:
> drivers/vdpa/vdpa_sim/vdpa_sim.c:92:6: warning:
> variable ‘ret’ set but not used [-Wunused-but-set-variable]
>
> Signed-off-by: YueHaibing <yuehaibing@huawei.com>
> ---

Either this, or BUG_ON. Jason?

> drivers/vdpa/vdpa_sim/vdpa_sim.c | 15 +++++++--------
> 1 file changed, 7 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c
> index 7957d2d41fc4..01c456f7c1f7 100644
> --- a/drivers/vdpa/vdpa_sim/vdpa_sim.c
> +++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c
> @@ -89,15 +89,14 @@ static struct vdpasim *dev_to_sim(struct device *dev)
> static void vdpasim_queue_ready(struct vdpasim *vdpasim, unsigned int idx)
> {
> struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx];
> - int ret;
>
> - ret = vringh_init_iotlb(&vq->vring, vdpasim_features,
> - VDPASIM_QUEUE_MAX, false,
> - (struct vring_desc *)(uintptr_t)vq->desc_addr,
> - (struct vring_avail *)
> - (uintptr_t)vq->driver_addr,
> - (struct vring_used *)
> - (uintptr_t)vq->device_addr);
> + vringh_init_iotlb(&vq->vring, vdpasim_features,
> + VDPASIM_QUEUE_MAX, false,
> + (struct vring_desc *)(uintptr_t)vq->desc_addr,
> + (struct vring_avail *)
> + (uintptr_t)vq->driver_addr,
> + (struct vring_used *)
> + (uintptr_t)vq->device_addr);
> }
>
> static void vdpasim_vq_reset(struct vdpasim_virtqueue *vq)
> --
> 2.17.1
>

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