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drm/amdkfd: Fix the error return code in kfd_ioctl_unmap_memory_from_gpu()

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Passing NULL pointer to PTR_ERR will result in return value of 0
indicating success which is clearly not what it is intended here.
This patch returns -EINVAL instead.

v2: change ret code to -ENODEV

Fixes: 5ec7e02854b3 ("drm/amdkfd: Add ioctls for GPUVM memory management")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
This commit is contained in:
Wei Yongjun 2018-03-30 02:25:17 +00:00 committed by Oded Gabbay
parent a4efd3a4e6
commit ded5e5622c
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
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@ -1421,7 +1421,7 @@ static int kfd_ioctl_unmap_memory_from_gpu(struct file *filep,
pdd = kfd_get_process_device_data(dev, p);
if (!pdd) {
err = PTR_ERR(pdd);
err = -EINVAL;
goto bind_process_to_device_failed;
}