From: Dmitry Osipenko dmitry.osipenko@collabora.com
commit fb6e0637ab7ebd8e61fe24f4d663c4bae99cfa62 upstream.
When panfrost_mmu_map_fault_addr() fails, the BO's mapping should be unreferenced and not the shmem object which backs the mapping.
Cc: stable@vger.kernel.org Fixes: bdefca2d8dc0 ("drm/panfrost: Add the panfrost_gem_mapping concept") Reviewed-by: Steven Price steven.price@arm.com Signed-off-by: Dmitry Osipenko dmitry.osipenko@collabora.com Signed-off-by: Steven Price steven.price@arm.com Link: https://patchwork.freedesktop.org/patch/msgid/20220630200601.1884120-2-dmitr... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/panfrost/panfrost_mmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/panfrost/panfrost_mmu.c +++ b/drivers/gpu/drm/panfrost/panfrost_mmu.c @@ -501,7 +501,7 @@ err_map: err_pages: drm_gem_shmem_put_pages(&bo->base); err_bo: - drm_gem_object_put(&bo->base.base); + panfrost_gem_mapping_put(bomapping); return ret; }