[PATCH 1/4] drm/etnaviv: check for reaped mapping in etnaviv_iommu_unmap_gem

[Philipp Zabel]

On Mi, 2022-03-23 at 17:08 +0100, Lucas Stach wrote:
> When the mapping is already reaped the unmap must be a no-op, as we
> would otherwise try to remove the mapping twice, corrupting the
> involved
> data structures.
> 
> Cc: stable at vger.kernel.org # 5.4
> Signed-off-by: Lucas Stach <l.stach at pengutronix.de>

Reviewed-by: Philipp Zabel <p.zabel at pengutronix.de>

regards
Philipp