[PATCH 2/2] drm/tegra: Use dma_buf from GEM object instance
Thomas Zimmermann
tzimmermann at suse.de
Mon Apr 14 13:31:42 UTC 2025
Avoid dereferencing struct drm_gem_object.import_attach for the
imported dma-buf. The dma_buf field in the GEM object instance refers
to the same buffer. Prepares to make import_attach optional.
Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
---
drivers/gpu/drm/tegra/gem.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c
index c1695caec956..e17abe63c723 100644
--- a/drivers/gpu/drm/tegra/gem.c
+++ b/drivers/gpu/drm/tegra/gem.c
@@ -527,7 +527,7 @@ void tegra_bo_free_object(struct drm_gem_object *gem)
if (drm_gem_is_imported(gem)) {
dma_buf_unmap_attachment_unlocked(gem->import_attach, bo->sgt,
DMA_TO_DEVICE);
- dma_buf_detach(gem->import_attach->dmabuf, gem->import_attach);
+ dma_buf_detach(gem->dma_buf, gem->import_attach);
}
}
--
2.49.0
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