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tracing: Fix return of trace_dump_stack()

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The trace_dump_stack() returned a value for a void function.

Also, added the missing stub for trace_dump_stack() when tracing is
not configured.

Reported-by: Ingo Molnar <mingo@elte.hu>
LKML-Reference: <20091214162713.GA31060@elte.hu>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Steven Rostedt 2009-12-14 15:58:33 -05:00 committed by Ingo Molnar
parent 0087aabd6a
commit e36c54582c
2 changed files with 2 additions and 1 deletions
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1
include/linux/kernel.h
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@ -527,6 +527,7 @@ trace_printk(const char *fmt, ...) __attribute__ ((format (printf, 1, 2)));
static inline void tracing_start(void) { }
static inline void tracing_stop(void) { }
static inline void ftrace_off_permanent(void) { }
static inline void trace_dump_stack(void) { }
static inline int
trace_printk(const char *fmt, ...)
{

2
kernel/trace/trace.c
View file

@ -1158,7 +1158,7 @@ void trace_dump_stack(void)
unsigned long flags;
if (tracing_disabled || tracing_selftest_running)
return 0;
return;
local_save_flags(flags);