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drm/amdgpu: Allow kfd CRIU with no buffer objects

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The kfd CRIU checkpoint ioctl would return an error if trying
to checkpoint a process with no kfd buffer objects.

This is a normal case and should not be an error.

Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: David Francis <David.Francis@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
David Francis 2025-02-19 10:01:32 -05:00 committed by Alex Deucher
parent 4d82724f7f
commit 85705b18ae
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
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@ -2571,8 +2571,8 @@ static int criu_restore(struct file *filep,
pr_debug("CRIU restore (num_devices:%u num_bos:%u num_objects:%u priv_data_size:%llu)\n",
args->num_devices, args->num_bos, args->num_objects, args->priv_data_size);
if (!args->bos || !args->devices || !args->priv_data || !args->priv_data_size ||
!args->num_devices || !args->num_bos)
if ((args->num_bos > 0 && !args->bos) || !args->devices || !args->priv_data ||
!args->priv_data_size || !args->num_devices)
return -EINVAL;
mutex_lock(&p->mutex);