Commit f2faea8b authored by Lucas Stach's avatar Lucas Stach
Browse files

drm/etnaviv: add missing MMU context put when reaping MMU mapping 



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@vger.kernel.org # 5.4
Signed-off-by: default avatarLucas Stach <l.stach@pengutronix.de>
Tested-by: default avatarMichael Walle <michael@walle.cc>
Tested-by: default avatarMarek Vasut <marex@denx.de>
Reviewed-by: default avatarChristian Gmeiner <christian.gmeiner@gmail.com>
parent d6408538

drivers/gpu/drm/etnaviv/etnaviv_mmu.c

+1 −0
Original line number Diff line number Diff line
@@ -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);