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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: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Sudip Mukherjee 2015-10-08 19:28:01 +05:30 committed by Alex Deucher
parent 028423b0d8
commit 7a574557e6
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
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@ -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 */