misc: mic: silence an overflow warning

[cascardo/linux.git] / drivers / misc / mic / vop / vop_vringh.c

diff --git a/drivers/misc/mic/vop/vop_vringh.c b/drivers/misc/mic/vop/vop_vringh.c
index c3613f3..e94c7fb 100644 (file)
--- a/drivers/misc/mic/vop/vop_vringh.c
+++ b/drivers/misc/mic/vop/vop_vringh.c
@@ -848,12 +848,13 @@ static int vop_virtio_copy_desc(struct vop_vdev *vdev,
                                struct mic_copy_desc *copy)
 {
        int err;
-       struct vop_vringh *vvr = &vdev->vvr[copy->vr_idx];
+       struct vop_vringh *vvr;
 
        err = vop_verify_copy_args(vdev, copy);
        if (err)
                return err;
 
+       vvr = &vdev->vvr[copy->vr_idx];
        mutex_lock(&vvr->vr_mutex);
        if (!vop_vdevup(vdev)) {
                err = -ENODEV;