On Mon, 1 Dec 2014 14:37:01 +0200
"Michael S. Tsirkin" <mst@xxxxxxxxxx> wrote:
> On Mon, Dec 01, 2014 at 01:33:53PM +0100, Cornelia Huck wrote:
> > On Sun, 30 Nov 2014 17:11:49 +0200
> > "Michael S. Tsirkin" <mst@xxxxxxxxxx> wrote:
> >
> > > Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
> > > ---
> > > drivers/vhost/vhost.c | 93 +++++++++++++++++++++++++++++++--------------------
> > > 1 file changed, 56 insertions(+), 37 deletions(-)
> > >
> >
> > > @@ -1113,18 +1120,19 @@ static int get_indirect(struct vhost_virtqueue *vq,
> > > {
> > > struct vring_desc desc;
> > > unsigned int i = 0, count, found = 0;
> > > + u32 len = vhost32_to_cpu(vq, indirect->len);
> > > int ret;
> > >
> > > /* Sanity check */
> > > - if (unlikely(indirect->len % sizeof desc)) {
> > > + if (unlikely(len % sizeof desc)) {
> > > vq_err(vq, "Invalid length in indirect descriptor: "
> > > "len 0x%llx not multiple of 0x%zx\n",
> > > - (unsigned long long)indirect->len,
> > > + (unsigned long long)vhost32_to_cpu(vq, indirect->len),
> >
> > Can't you use len here?
>
> Not if I want error message to be readable.
Huh? Both have the same value.
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