X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fvirtio%2Fvirtio_ring.h;h=fcecc1614ce2cdff4e99c58f2ca7f2f81d17fda2;hb=e24b05bfd20d637a920c6dc1d7c4ee0aa107287e;hp=a16c4991c19b47ca80d66bd9fb383adec1a5ad2c;hpb=6c3169a3dc041cbdbef506f19e3779940caa4b29;p=dpdk.git

diff --git a/drivers/net/virtio/virtio_ring.h b/drivers/net/virtio/virtio_ring.h
index a16c4991c1..fcecc1614c 100644
--- a/drivers/net/virtio/virtio_ring.h
+++ b/drivers/net/virtio/virtio_ring.h
@@ -79,7 +79,7 @@ struct vring_used_elem {
 
 struct vring_used {
 	uint16_t flags;
-	uint16_t idx;
+	volatile uint16_t idx;
 	struct vring_used_elem ring[0];
 };
 
@@ -123,10 +123,10 @@ struct vring {
 #define vring_used_event(vr)  ((vr)->avail->ring[(vr)->num])
 #define vring_avail_event(vr) (*(uint16_t *)&(vr)->used->ring[(vr)->num])
 
-static inline int
+static inline size_t
 vring_size(unsigned int num, unsigned long align)
 {
-	int size;
+	size_t size;
 
 	size = num * sizeof(struct vring_desc);
 	size += sizeof(struct vring_avail) + (num * sizeof(uint16_t));