Re: [PATCH 6/7] drm/amdgpu: Ensure kunmap is called on error

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Am 11.12.21 um 00:24 schrieb ira.weiny@xxxxxxxxx:
From: Ira Weiny <ira.weiny@xxxxxxxxx>

The default case leaves the buffer object mapped in error.

Add amdgpu_bo_kunmap() to that case to ensure the mapping is cleaned up.

Mhm, good catch. But why do you want to do this in the first place?

Christian.


Signed-off-by: Ira Weiny <ira.weiny@xxxxxxxxx>

---
NOTE: It seems like this function could use a fair bit of refactoring
but this is the easiest way to fix the actual bug.
---
  drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 1 +
  1 file changed, 1 insertion(+)
nice
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
index 6f8de11a17f1..b3ffd0f6b35f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
@@ -889,6 +889,7 @@ static int amdgpu_uvd_cs_msg(struct amdgpu_uvd_cs_ctx *ctx,
  		return 0;
default:
+		amdgpu_bo_kunmap(bo);
  		DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type);
  	}




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