Am Fr., 20. Aug. 2021 um 22:18 Uhr schrieb Lucas Stach <l.stach@xxxxxxxxxxxxxx>:
>
> When we forcefully evict a mapping from the the address space and thus the
> MMU context, the MMU context is leaked, as the mapping no longer points to
> it, so it doesn't get freed when the GEM object is destroyed. Add the
> mssing context put to fix the leak.
>
> Cc: stable@xxxxxxxxxxxxxxx # 5.4
> Signed-off-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
> Tested-by: Michael Walle <michael@xxxxxxxx>
Series is:
Reviewed-by: Christian Gmeiner <christian.gmeiner@xxxxxxxxx>
> ---
> drivers/gpu/drm/etnaviv/etnaviv_mmu.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/etnaviv/etnaviv_mmu.c b/drivers/gpu/drm/etnaviv/etnaviv_mmu.c
> index dab1b58006d8..9fb1a2aadbcb 100644
> --- a/drivers/gpu/drm/etnaviv/etnaviv_mmu.c
> +++ b/drivers/gpu/drm/etnaviv/etnaviv_mmu.c
> @@ -199,6 +199,7 @@ static int etnaviv_iommu_find_iova(struct etnaviv_iommu_context *context,
> */
> list_for_each_entry_safe(m, n, &list, scan_node) {
> etnaviv_iommu_remove_mapping(context, m);
> + etnaviv_iommu_context_put(m->context);
> m->context = NULL;
> list_del_init(&m->mmu_node);
> list_del_init(&m->scan_node);
> --
> 2.30.2
>
--
greets
--
Christian Gmeiner, MSc
https://christian-gmeiner.info/privacypolicy
