Dear Daniel,
On Jul 2, 2013 5:14 PM, "Daniel Vetter" <daniel@xxxxxxxx> wrote:
>
> On Tue, Jul 02, 2013 at 04:55:16PM +0900, YoungJun Cho wrote:
> > Dear Daniel,
> >
> > On Jul 2, 2013 4:19 PM, "Daniel Vetter" <daniel.vetter@xxxxxxxx> wrote:
> > >
> > > In
> > >
> > > commit da34242e5e0638312130f5bd5d2d277afbc6f806
> > > Author: YoungJun Cho <yj44.cho@xxxxxxxxxxx>
> > > Date: Wed Jun 26 10:21:42 2013 +0900
> > >
> > > drm/prime: add return check for dma_buf_fd
> > >
> > > the failure case handling was fixed up. But in the case when we
> > > already had the buffer exported it changed the return value:
> > > Previously we've return 0 on success, now we return the fd.
> > >
> > > This ABI change has been caught by i-g-t/prime_self_import/with_one_bo.
> > >
> > > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=66436
> > > Cc: YoungJun Cho <yj44.cho@xxxxxxxxxxx>
> > > Cc: Seung-Woo Kim <sw0312.kim@xxxxxxxxxxx>
> > > Cc: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
> > > Tested-by: lu hua <huax.lu@xxxxxxxxx>
> > > Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
Reviewed-by: YoungJun Cho <yj44.cho@xxxxxxxxxxx>
Thank you and best regards YJ
> > > ---
> > > drivers/gpu/drm/drm_prime.c | 7 +++++--
> > > 1 file changed, 5 insertions(+), 2 deletions(-)
> > >
> > > diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c
> > > index 52709f2..1e0de41 100644
> > > --- a/drivers/gpu/drm/drm_prime.c
> > > +++ b/drivers/gpu/drm/drm_prime.c
> > > @@ -347,10 +347,13 @@ int drm_gem_prime_handle_to_fd(struct drm_device
> > *dev,
> > > out_have_obj:
> > > get_dma_buf(dmabuf);
> > > ret = dma_buf_fd(dmabuf, flags);
> > > - if (ret < 0)
> > > + if (ret < 0) {
> > > dma_buf_put(dmabuf);
> > > - else
> > > + } else {
> > > *prime_fd = ret;
> > > + ret = 0;
> > > + }
> > > +
> > > goto out;
> > >
> > > fail_rm_handle:
> > > --
> > > 1.7.10.4
> > >
> > >
> >
> > Right, that's my mistake.
> > I'll pay attention from now on!
> >
> > Thank you & best regards YJ
>
> Reviewed-by ?
>
> Cheers, Daniel
> --
> Daniel Vetter
> Software Engineer, Intel Corporation
> +41 (0) 79 365 57 48 - http://blog.ffwll.ch
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