# ls -lZ /dev/nvidia0 /dev/nvidiactl
crw-rw----. 1 root video system_u:object_r:device_t 195,   0 Oct 16 20:48 /dev/nvidia0
crw-rw----. 1 root video system_u:object_r:device_t 195, 255 Oct 16 20:48 /dev/nvidiactl

# restorecon /dev/nvidia0 /dev/nvidiactl && ls -lZ /dev/nvidia0 /dev/nvidiactl
crw-rw----. 1 root video system_u:object_r:xserver_misc_device_t 195,   0 Oct 16 20:48 /dev/nvidia0
crw-rw----. 1 root video system_u:object_r:xserver_misc_device_t 195, 255 Oct 16 20:48 /dev/nvidiactl