Make sure all bo->base.pages entries are either NULL or pointing to a
valid page before calling drm_gem_shmem_put_pages().
Reported-by: Tomeu Vizoso <tomeu.vizoso@xxxxxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Fixes: 187d2929206e ("drm/panfrost: Add support for GPU heap allocations")
Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx>
---
drivers/gpu/drm/panfrost/panfrost_mmu.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/panfrost/panfrost_mmu.c b/drivers/gpu/drm/panfrost/panfrost_mmu.c
index 569509c2ba27..d76dff201ea6 100644
--- a/drivers/gpu/drm/panfrost/panfrost_mmu.c
+++ b/drivers/gpu/drm/panfrost/panfrost_mmu.c
@@ -460,6 +460,7 @@ static int panfrost_mmu_map_fault_addr(struct panfrost_device *pfdev, int as,
if (IS_ERR(pages[i])) {
mutex_unlock(&bo->base.pages_lock);
ret = PTR_ERR(pages[i]);
+ pages[i] = NULL;
goto err_pages;
}
}
--
2.31.1
