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authorMichael S. Tsirkin <mst@redhat.com>2010-09-21 14:18:01 +0200
committerMichael S. Tsirkin <mst@redhat.com>2010-11-04 13:22:11 +0200
commitdfe5ac5b18be5b10d01a17e734a9905c0def6088 (patch)
treec5dab52cb8c8aeb2a37546f8ff8ba340412901c7 /drivers/vhost
parent64e1c80748afca3b4818ebb232a9668bf529886d (diff)
downloadlinux-linaro-stable-dfe5ac5b18be5b10d01a17e734a9905c0def6088.tar.gz
vhost: copy_to_user -> __copy_to_user
We do access_ok checks at setup time, so we don't need to redo them on each access. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/vhost')
-rw-r--r--drivers/vhost/vhost.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index c17c881e235a..e6a093187a0e 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -1258,7 +1258,7 @@ static int __vhost_add_used_n(struct vhost_virtqueue *vq,
start = vq->last_used_idx % vq->num;
used = vq->used->ring + start;
- if (copy_to_user(used, heads, count * sizeof *used)) {
+ if (__copy_to_user(used, heads, count * sizeof *used)) {
vq_err(vq, "Failed to write used");
return -EFAULT;
}