diff options
Diffstat (limited to 'linux-headers/linux/virtio_ring.h')
| -rw-r--r-- | linux-headers/linux/virtio_ring.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/linux-headers/linux/virtio_ring.h b/linux-headers/linux/virtio_ring.h index 78289eedf2..1b333e2536 100644 --- a/linux-headers/linux/virtio_ring.h +++ b/linux-headers/linux/virtio_ring.h @@ -135,13 +135,13 @@ static __inline__ void vring_init(struct vring *vr, unsigned int num, void *p, vr->num = num; vr->desc = p; vr->avail = p + num*sizeof(struct vring_desc); - vr->used = (void *)(((unsigned long)&vr->avail->ring[num] + align-1) - & ~(align - 1)); + vr->used = (void *)(((unsigned long)&vr->avail->ring[num] + sizeof(__u16) + + align-1) & ~(align - 1)); } static __inline__ unsigned vring_size(unsigned int num, unsigned long align) { - return ((sizeof(struct vring_desc) * num + sizeof(__u16) * (2 + num) + return ((sizeof(struct vring_desc) * num + sizeof(__u16) * (3 + num) + align - 1) & ~(align - 1)) + sizeof(__u16) * 3 + sizeof(struct vring_used_elem) * num; } |