../net/can/j1939/main.c: note: in included file (through ../include/linux/can/can-ml.h): ../include/linux/netdevice.h:2689:20: warning: context imbalance in '__j1939_rx_release' - wrong count at exit ../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static? ../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static? ../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static?