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Commit 7a574557 authored by Sudip Mukherjee's avatar Sudip Mukherjee Committed by Alex Deucher
Browse files

drm/amdgpu: fix memory leak in amdgpu_vm_update_page_directory 



If amdgpu_ib_get() fails we returned the error code but we missed
freeing ib.

Cc: "Christian König" <christian.koenig@amd.com>
Cc: Jammy Zhou <Jammy.Zhou@amd.com>
Cc: Chunming Zhou <david1.zhou@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "monk.liu" <monk.liu@amd.com>
Signed-off-by: default avatarSudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
parent 028423b0

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c

+3 −1
Original line number Diff line number Diff line
@@ -455,8 +455,10 @@ int amdgpu_vm_update_page_directory(struct amdgpu_device *adev, 
		return -ENOMEM;



	r = amdgpu_ib_get(ring, NULL, ndw * 4, ib);

	if (r)

	if (r) {

		kfree(ib);

		return r;

	}

	ib->length_dw = 0;



	/* walk over the address space and update the page directory */