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authorAl Viro <viro@zeniv.linux.org.uk>2014-12-10 16:03:43 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2015-02-04 01:34:16 -0500
commit57dd8a0735aabff4862025cf64ad94da3d80e620 (patch)
tree6cce47f1276bc51e1eb29e8cd623e78102ff4c6a /drivers/vhost
parentba7438aed924133df54a60e4cd5499d359bcf2a8 (diff)
downloadop-kernel-dev-57dd8a0735aabff4862025cf64ad94da3d80e620.zip
op-kernel-dev-57dd8a0735aabff4862025cf64ad94da3d80e620.tar.gz
vhost: vhost_scsi_handle_vq() should just use copy_from_user()
it has just verified that it asks no more than the length of the first segment of iovec. And with that the last user of stuff in lib/iovec.c is gone. RIP. Cc: Michael S. Tsirkin <mst@redhat.com> Cc: Nicholas A. Bellinger <nab@linux-iscsi.org> Cc: kvm@vger.kernel.org Cc: virtualization@lists.linux-foundation.org Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/vhost')
-rw-r--r--drivers/vhost/scsi.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c
index d695b16..dc78d87 100644
--- a/drivers/vhost/scsi.c
+++ b/drivers/vhost/scsi.c
@@ -1079,7 +1079,7 @@ vhost_scsi_handle_vq(struct vhost_scsi *vs, struct vhost_virtqueue *vq)
req_size, vq->iov[0].iov_len);
break;
}
- ret = memcpy_fromiovecend(req, &vq->iov[0], 0, req_size);
+ ret = copy_from_user(req, vq->iov[0].iov_base, req_size);
if (unlikely(ret)) {
vq_err(vq, "Faulted on virtio_scsi_cmd_req\n");
break;
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