From d42430f94c77a653da486e6f96f6695818f3e81b Mon Sep 17 00:00:00 2001

From: Michael S. Tsirkin <mst@redhat.com>

Date: Wed, 24 Feb 2010 21:10:04 +0200

Subject: [PATCH] vhost: fix log base

LOG_BASE ioctl gets a pointer to a 64 bit value, not

a pointer cast to 64 bit value.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

---

 hw/vhost.c |    5 +++--

 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/hw/vhost.c b/hw/vhost.c

index 019afc2..b63eafa 100644

--- a/hw/vhost.c

+++ b/hw/vhost.c

@@ -241,14 +241,15 @@ static uint64_t vhost_get_log_size(struct vhost_dev *dev)

 static inline void vhost_dev_log_resize(struct vhost_dev* dev, uint64_t size)

 {

 	vhost_log_chunk_t *log;

+	uint64_t log_base;

 	int r;

 	if (size) {

 		log = qemu_mallocz(size * sizeof *log);

 	} else {

 		log = NULL;

 	}

-	r = ioctl(dev->control, VHOST_SET_LOG_BASE,

-		  (uint64_t)(unsigned long)log);

+	log_base = (uint64_t)(unsigned long)log;

+	r = ioctl(dev->control, VHOST_SET_LOG_BASE, &log_base);

 	assert(r >= 0);

 	vhost_client_sync_dirty_bitmap(&dev->client, 0,

 				       (target_phys_addr_t)~0x0ull);

-- 

1.6.6.1