From 85705b18ae7674347f8675f64b2b3115fb1d5629 Mon Sep 17 00:00:00 2001 From: David Francis Date: Wed, 19 Feb 2025 10:01:32 -0500 Subject: [PATCH] drm/amdgpu: Allow kfd CRIU with no buffer objects 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 Signed-off-by: David Francis Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c index 43115a3744694..8535a52a62cab 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c @@ -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); -- 2.47.3