| Message ID | 20210126071607.31487-1-lulu@redhat.com |
|---|---|
| State | New |
| Headers | show |
| Series | [v3] vhost_vdpa: fix the problem in vhost_vdpa_set_config_call | expand |
On 2021/1/26 下午3:16, Cindy Lu wrote: > In vhost_vdpa_set_config_call, the cb.private should be vhost_vdpa. > this cb.private will finally use in vhost_vdpa_config_cb as > vhost_vdpa. Fix this issue. > > Cc: stable@vger.kernel.org > Fixes: 776f395004d82 ("vhost_vdpa: Support config interrupt in vdpa") > Signed-off-by: Cindy Lu <lulu@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com> > --- > 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 ef688c8c0e0e..3fbb9c1f49da 100644 > --- a/drivers/vhost/vdpa.c > +++ b/drivers/vhost/vdpa.c > @@ -319,7 +319,7 @@ 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; >
diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index ef688c8c0e0e..3fbb9c1f49da 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -319,7 +319,7 @@ 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;
In vhost_vdpa_set_config_call, the cb.private should be vhost_vdpa. this cb.private will finally use in vhost_vdpa_config_cb as vhost_vdpa. Fix this issue. Cc: stable@vger.kernel.org Fixes: 776f395004d82 ("vhost_vdpa: Support config interrupt in vdpa") Signed-off-by: Cindy Lu <lulu@redhat.com> --- drivers/vhost/vdpa.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)