[PATCH v8 3/3] drm/amdgpu: Allow kfd CRIU with no buffer objects

[David Francis]

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.

Signed-off-by: David Francis <david.fran...@amd.com>
---
 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 828a9ceef1e7..f7f34b710d3e 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -2566,8 +2566,8 @@ 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);
-- 
2.34.1