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drm/amdgpu: Fix an error code in kfd_mem_attach_dmabuf()

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If amdgpu_gem_prime_export() fails, then this code accidentally
returns zero/success instead of a negative error code.

Fixes: 5ac3c3e45f ("drm/amdgpu: Add DMA mapping of GTT BOs")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Dan Carpenter
2021-05-25 15:47:38 +03:00
committed by Alex Deucher
parent 3e06db4d62
commit 713305570a
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
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@@ -639,14 +639,16 @@ kfd_mem_attach_dmabuf(struct amdgpu_device *adev, struct kgd_mem *mem,
struct amdgpu_bo **bo)
{
struct drm_gem_object *gobj;
int ret;
if (!mem->dmabuf) {
mem->dmabuf = amdgpu_gem_prime_export(&mem->bo->tbo.base,
mem->alloc_flags & KFD_IOC_ALLOC_MEM_FLAGS_WRITABLE ?
DRM_RDWR : 0);
if (IS_ERR(mem->dmabuf)) {
ret = PTR_ERR(mem->dmabuf);
mem->dmabuf = NULL;
return PTR_ERR(mem->dmabuf);
return ret;
}
}