Quoting Chris Wilson (2019-09-22 13:17:19)
> Quoting Qiang Yu (2019-09-22 08:49:00)
> > This causes kernel crash when testing lima driver.
> >
> > Cc: Christian König <christian.koe...@amd.com>
> > Fixes: b8c036dfc66f ("dma-buf: simplify reservation_object_get_fences_rcu a
> > bit")
> > Signed-off-by: Qiang Yu <yuq...@gmail.com>
> > ---
> > drivers/dma-buf/dma-resv.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/dma-buf/dma-resv.c b/drivers/dma-buf/dma-resv.c
> > index 42a8f3f11681..709002515550 100644
> > --- a/drivers/dma-buf/dma-resv.c
> > +++ b/drivers/dma-buf/dma-resv.c
> > @@ -471,7 +471,7 @@ int dma_resv_get_fences_rcu(struct dma_resv *obj,
> > if (pfence_excl)
> > *pfence_excl = fence_excl;
> > else if (fence_excl)
> > - shared[++shared_count] = fence_excl;
> > + shared[shared_count++] = fence_excl;
>
> Oops.
>
> Reviewed-by: Chris Wilson <ch...@chris-wilson.co.uk>
Applied, thanks for the fix.
-Chris
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