drm/amdgpu: fix ring debugfs bug
debugfs file added but not released after driver unloaded
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
index 9421115..c38203e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
@@ -49,6 +49,7 @@
*/
static int amdgpu_debugfs_ring_init(struct amdgpu_device *adev,
struct amdgpu_ring *ring);
+static void amdgpu_debugfs_ring_fini(struct amdgpu_ring *ring);
/**
* amdgpu_ring_alloc - allocate space on the ring buffer
@@ -362,6 +363,7 @@
}
amdgpu_bo_unref(&ring_obj);
}
+ amdgpu_debugfs_ring_fini(ring);
}
/*
@@ -445,6 +447,14 @@
return PTR_ERR(ent);
i_size_write(ent->d_inode, ring->ring_size + 12);
+ ring->ent = ent;
#endif
return 0;
}
+
+static void amdgpu_debugfs_ring_fini(struct amdgpu_ring *ring)
+{
+#if defined(CONFIG_DEBUG_FS)
+ debugfs_remove(ring->ent);
+#endif
+}