[PATCH 02/15] virtio: don't use size_t

[Andrew Jones]

A size_t can have a different size when compiled as
64-bit vs. 32-bit. When unsigned int is what we want,
then make sure unsigned int is what we use.

Signed-off-by: Andrew Jones <drjo...@redhat.com>
---
 lib/chr-testdev.c | 4 ++--
 lib/virtio.c      | 2 +-
 lib/virtio.h      | 3 ++-
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/lib/chr-testdev.c b/lib/chr-testdev.c
index 0c9a173a04886..c19424fd44b20 100644
--- a/lib/chr-testdev.c
+++ b/lib/chr-testdev.c
@@ -13,7 +13,7 @@ static struct virtio_device *vcon;
 static struct virtqueue *in_vq, *out_vq;
 static struct spinlock lock;
 
-static void __testdev_send(char *buf, size_t len)
+static void __testdev_send(char *buf, unsigned int len)
 {
        int ret;
 
@@ -29,8 +29,8 @@ static void __testdev_send(char *buf, size_t len)
 
 void chr_testdev_exit(int code)
 {
+       unsigned int len;
        char buf[8];
-       int len;
 
        snprintf(buf, sizeof(buf), "%dq", code);
        len = strlen(buf);
diff --git a/lib/virtio.c b/lib/virtio.c
index cb496ff2eabd5..9532d1aeb1707 100644
--- a/lib/virtio.c
+++ b/lib/virtio.c
@@ -47,7 +47,7 @@ void vring_init_virtqueue(struct vring_virtqueue *vq, 
unsigned index,
        vq->data[i] = NULL;
 }
 
-int virtqueue_add_outbuf(struct virtqueue *_vq, char *buf, size_t len)
+int virtqueue_add_outbuf(struct virtqueue *_vq, char *buf, unsigned int len)
 {
        struct vring_virtqueue *vq = to_vvq(_vq);
        unsigned avail;
diff --git a/lib/virtio.h b/lib/virtio.h
index b51899ab998b6..4801e204a469d 100644
--- a/lib/virtio.h
+++ b/lib/virtio.h
@@ -139,7 +139,8 @@ extern void vring_init_virtqueue(struct vring_virtqueue 
*vq, unsigned index,
                                 bool (*notify)(struct virtqueue *),
                                 void (*callback)(struct virtqueue *),
                                 const char *name);
-extern int virtqueue_add_outbuf(struct virtqueue *vq, char *buf, size_t len);
+extern int virtqueue_add_outbuf(struct virtqueue *vq, char *buf,
+                               unsigned int len);
 extern bool virtqueue_kick(struct virtqueue *vq);
 extern void detach_buf(struct vring_virtqueue *vq, unsigned head);
 extern void *virtqueue_get_buf(struct virtqueue *_vq, unsigned int *len);
-- 
1.9.3

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