Fix this compilation error seen when CONFIG_TRACING is not enabled: drivers/scsi/qla2xxx/qla_os.c: In function 'qla_trace_init': drivers/scsi/qla2xxx/qla_os.c:2854:25: error: implicit declaration of function 'trace_array_get_by_name'; did you mean 'trace_array_set_clr_event'? [-Werror=implicit-function-declaration] 2854 | qla_trc_array = trace_array_get_by_name("qla2xxx"); | ^~~~~~~~~~~~~~~~~~~~~~~ | trace_array_set_clr_event drivers/scsi/qla2xxx/qla_os.c: In function 'qla_trace_uninit': drivers/scsi/qla2xxx/qla_os.c:2869:9: error: implicit declaration of function 'trace_array_put' [-Werror=implicit-function-declaration] 2869 | trace_array_put(qla_trc_array); | ^~~~~~~~~~~~~~~ Reported-by: kernel test robot <lkp@xxxxxxxxx> Signed-off-by: Arun Easi <aeasi@xxxxxxxxxxx> --- include/linux/trace.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/include/linux/trace.h b/include/linux/trace.h index bf16961..bf206c3 100644 --- a/include/linux/trace.h +++ b/include/linux/trace.h @@ -48,6 +48,23 @@ void osnoise_arch_unregister(void); void osnoise_trace_irq_entry(int id); void osnoise_trace_irq_exit(int id, const char *desc); +#else /* CONFIG_TRACING */ +#define TRACE_EXPORT_FUNCTION 0 +#define TRACE_EXPORT_EVENT 0 +#define TRACE_EXPORT_MARKER 0 +struct trace_export { }; +#define register_ftrace_export(export) -EINVAL +#define unregister_ftrace_export(export) 0 +#define trace_printk_init_buffers() +#define trace_array_printk(tr, ip, fmt, ...) 0 +#define trace_array_init_printk(tr) -EINVAL +#define trace_array_put(tr) +#define trace_array_get_by_name(name) NULL +#define trace_array_destroy(tr) 0 +#define osnoise_arch_register() -EINVAL +#define osnoise_arch_unregister() +#define osnoise_trace_irq_entry(id) +#define osnoise_trace_irq_exit(id, desc) #endif /* CONFIG_TRACING */ #endif /* _LINUX_TRACE_H */ -- 2.9.5