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authorTony Lindgren <tony@atomide.com>2011-11-07 12:27:23 -0800
committerTony Lindgren <tony@atomide.com>2011-11-07 12:27:23 -0800
commitd30cc16c8e48368e0518f4975a78711e53e14a0f (patch)
tree26b57f7ab5a963cc3d6c57dff6951bd930875583 /include/linux/virtio_ring.h
parent41eb2d813f558900884e240c2f723e36c7bd151f (diff)
parenta1bcc1dcef8451b4291ea2a1b2677cb194102952 (diff)
Merge branch 'fixes-modulesplit' into fixes
Diffstat (limited to 'include/linux/virtio_ring.h')
-rw-r--r--include/linux/virtio_ring.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/virtio_ring.h b/include/linux/virtio_ring.h
index 4a32cb6da425..36be0f6e18a9 100644
--- a/include/linux/virtio_ring.h
+++ b/include/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;
}