[PATCH v5 01/17] drm/panfrost: Put mapping instead of shmem obj on panfrost_mmu_map_fault_addr() error

From: Dmitry Osipenko
Date: Sun Apr 24 2022 - 15:04:55 EST


When panfrost_mmu_map_fault_addr() fails, the BO's mapping should be
unreferenced and not the shmem object that backs that mapping.

Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@xxxxxxxxxxxxx>
---
drivers/gpu/drm/panfrost/panfrost_mmu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/panfrost/panfrost_mmu.c b/drivers/gpu/drm/panfrost/panfrost_mmu.c
index d3f82b26a631..b285a8001b1d 100644
--- a/drivers/gpu/drm/panfrost/panfrost_mmu.c
+++ b/drivers/gpu/drm/panfrost/panfrost_mmu.c
@@ -518,7 +518,7 @@ static int panfrost_mmu_map_fault_addr(struct panfrost_device *pfdev, int as,
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;
}

--
2.35.1