[Mesa-dev] [PATCH 1/2] etnaviv: fix etna_bo_from_name

Philipp Zabel p.zabel at pengutronix.de
Fri Aug 4 16:54:12 UTC 2017

On Fri, 2017-08-04 at 18:15 +0200, Wladimir J. van der Laan wrote:
> On Fri, Aug 04, 2017 at 05:07:54PM +0200, Philipp Zabel wrote:
> > Look up BOs from the name table using the name parameter instead of
> > req.handle (which at this point is always zero).
> Good catch.
> Just out of interest: when is this used, what problems does this cause?

It is used by the etnaviv gallium driver in etna_screen_bo_from_handle
for DRM_API_HANDLE_TYPE_SHARED handles. Since this just falls back to
asking the kernel to DRM_IOCTL_GEM_OPEN if the BO is not found in the
name_table already, this bug caused no problems.


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