On Mon, Dec 01, 2014 at 03:21:03PM +0100, Cornelia Huck wrote:
> On Mon, 1 Dec 2014 15:48:39 +0200
> "Michael S. Tsirkin" <mst@xxxxxxxxxx> wrote:
>
> > On Mon, Dec 01, 2014 at 01:37:40PM +0100, Cornelia Huck wrote:
> > > On Sun, 30 Nov 2014 17:12:13 +0200
> > > "Michael S. Tsirkin" <mst@xxxxxxxxxx> wrote:
> > >
> > > > len is always initialized since function is called with size > 0.
> > > >
> > > > Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
> > > > ---
> > > > drivers/vhost/net.c | 2 +-
> > > > 1 file changed, 1 insertion(+), 1 deletion(-)
> > > >
> > > > diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
> > > > index 984242e..54ffbb0 100644
> > > > --- a/drivers/vhost/net.c
> > > > +++ b/drivers/vhost/net.c
> > > > @@ -501,7 +501,7 @@ static int get_rx_bufs(struct vhost_virtqueue *vq,
> > > > int headcount = 0;
> > > > unsigned d;
> > > > int r, nlogs = 0;
> > > > - u32 len;
> > > > + u32 uninitialized_var(len);
> > > >
> > > > while (datalen > 0 && headcount < quota) {
> > > > if (unlikely(seg >= UIO_MAXIOV)) {
> > >
> > > Want to merge this with the patch introducing the variable and add a
> > > comment there?
> >
> > Not really. Warnings in bisect are fine I think.
>
> I'm not sure what a separate patch buys us, though, as it should be
> trivial to merge.
Easier to document the reason if it's split out.
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