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| author | Al Viro <viro@zeniv.linux.org.uk> | 2014-12-10 22:03:43 +0100 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2015-02-04 07:34:16 +0100 |
| commit | 57dd8a0735aabff4862025cf64ad94da3d80e620 (patch) | |
| tree | 6cce47f1276bc51e1eb29e8cd623e78102ff4c6a /drivers/vhost | |
| parent | vhost: don't bother copying iovecs in handle_rx(), kill memcpy_toiovecend() (diff) | |
| download | linux-57dd8a0735aabff4862025cf64ad94da3d80e620.tar.xz linux-57dd8a0735aabff4862025cf64ad94da3d80e620.zip | |
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.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c index d695b1673ae5..dc78d87e0fc2 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; |