../drivers/gpu/drm/i915/intel_wakeref.c:145:19: warning: context imbalance in 'wakeref_auto_timeout' - unexpected unlock ../drivers/gpu/drm/i915/intel_wakeref.c:146:19: warning: context imbalance in 'wakeref_auto_timeout' - unexpected unlock ../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static?