linux-kernel - Re: [PATCH] vhost-vdpa:fix the worng input in config

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Message-ID: <CACLfguX3TPD0VOUngNVDzB_JYPY6AnPP+Jd7bAKTq5egXw93sA@mail.gmail.com>
Date:   Wed, 29 Sep 2021 16:51:29 +0800
From:   Cindy Lu <lulu@...hat.com>
To:     "Michael S. Tsirkin" <mst@...hat.com>
Cc:     Jason Wang <jasowang@...hat.com>, kvm@...r.kernel.org,
        virtualization <virtualization@...ts.linux-foundation.org>,
        netdev@...r.kernel.org, linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] vhost-vdpa:fix the worng input in config_cb

On Wed, Sep 29, 2021 at 4:32 PM Michael S. Tsirkin <mst@...hat.com> wrote:
>
> On Wed, Sep 29, 2021 at 03:54:37PM +0800, Cindy Lu wrote:
> > Fix the worng input in for config_cb,
> > in function vhost_vdpa_config_cb, the input
> > cb.private was used as struct vhost_vdpa,
> > So the inuput was worng here, fix this issue
> >
> > Signed-off-by: Cindy Lu <lulu@...hat.com>
>
> Maybe add
>
> Fixes: 776f395004d8 ("vhost_vdpa: Support config interrupt in vdpa")
>
> and fix typos in the commit log.
>
thanks Michael, I will post a new version
> > ---
> >  drivers/vhost/vdpa.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
> > index 942666425a45..e532cbe3d2f7 100644
> > --- a/drivers/vhost/vdpa.c
> > +++ b/drivers/vhost/vdpa.c
> > @@ -322,7 +322,7 @@ static long vhost_vdpa_set_config_call(struct vhost_vdpa *v, u32 __user *argp)
> >       struct eventfd_ctx *ctx;
> >
> >       cb.callback = vhost_vdpa_config_cb;
> > -     cb.private = v->vdpa;
> > +     cb.private = v;
> >       if (copy_from_user(&fd, argp, sizeof(fd)))
> >               return  -EFAULT;
> >
> > --
> > 2.21.3
>