Re: [PATCH v2] drm/radeon: check bo_va->bo is non-NULL before using it

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Am 25.06.24 um 19:44 schrieb Alex Deucher:
On Tue, Jun 25, 2024 at 10:32 AM Pierre-Eric Pelloux-Prayer
<pierre-eric.pelloux-prayer@xxxxxxx> wrote:
The call to radeon_vm_clear_freed might clear bo_va->bo, so
we have to check it before dereferencing it.

Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@xxxxxxx>
Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>

Should I push this to drm-misc-fixes or should Pierre push it to amd-staging-drm-next?

Might take some minor work from you when you start to handle radeon change as well.

Regards,
Christian.


---
  drivers/gpu/drm/radeon/radeon_gem.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c
index 3fec3acdaf28..27225d1fe8d2 100644
--- a/drivers/gpu/drm/radeon/radeon_gem.c
+++ b/drivers/gpu/drm/radeon/radeon_gem.c
@@ -641,7 +641,7 @@ static void radeon_gem_va_update_vm(struct radeon_device *rdev,
         if (r)
                 goto error_unlock;

-       if (bo_va->it.start)
+       if (bo_va->it.start && bo_va->bo)
                 r = radeon_vm_bo_update(rdev, bo_va, bo_va->bo->tbo.resource);

  error_unlock:
--
2.45.2





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