vhost: remove set but not used variable 'status'

Fix the following gcc warning:
drivers/vhost/vdpa.c:299:5: warning: variable 'status' set but not used [-Wunused-but-set-variable]
  u8 status;
     ^~~~~~

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Link: https://lore.kernel.org/r/20200402065106.20108-1-yanaijie@huawei.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
index 3d2cb811757ad30a9af4978fcf3bb47e32b42e7f..0968361e3b7745906c1b7da2eab84a7bda4767bc 100644 (file)
--- a/drivers/vhost/vdpa.c
+++ b/drivers/vhost/vdpa.c
@@ -296,7 +296,6 @@ static long vhost_vdpa_vring_ioctl(struct vhost_vdpa *v, unsigned int cmd,
        struct vdpa_callback cb;
        struct vhost_virtqueue *vq;
        struct vhost_vring_state s;
-       u8 status;
        u32 idx;
        long r;
 
@@ -310,8 +309,6 @@ static long vhost_vdpa_vring_ioctl(struct vhost_vdpa *v, unsigned int cmd,
        idx = array_index_nospec(idx, v->nvqs);
        vq = &v->vqs[idx];
 
-       status = ops->get_status(vdpa);
-
        if (cmd == VHOST_VDPA_SET_VRING_ENABLE) {
                if (copy_from_user(&s, argp, sizeof(s)))
                        return -EFAULT;