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trace: code style clean up 

Ingo Molnar suggested using goto logic to keep the indentation
down and to be able to remove the nasty line breaks. This actually
makes the code a bit more readable.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Steven Rostedt 2009-02-05 01:13:38 -05:00 committed by Ingo Molnar
parent 7be421510b
commit dac7494028
1 changed files with 17 additions and 16 deletions
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33
kernel/trace/trace.c
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@ -522,23 +522,24 @@ int register_tracer(struct tracer *type)
tracing_selftest_running = false;
mutex_unlock(&trace_types_lock);
if (!ret && default_bootup_tracer) {
if (!strncmp(default_bootup_tracer, type->name,
BOOTUP_TRACER_SIZE)) {
printk(KERN_INFO "Starting tracer '%s'\n",
type->name);
/* Do we want this tracer to start on bootup? */
tracing_set_tracer(type->name);
default_bootup_tracer = NULL;
/* disable other selftests, since this will break it. */
tracing_selftest_disabled = 1;
#ifdef CONFIG_FTRACE_STARTUP_TEST
printk(KERN_INFO "Disabling FTRACE selftests due"
" to running tracer '%s'\n", type->name);
#endif
}
}
if (ret || !default_bootup_tracer)
goto out_unlock;
if (strncmp(default_bootup_tracer, type->name, BOOTUP_TRACER_SIZE))
goto out_unlock;
printk(KERN_INFO "Starting tracer '%s'\n", type->name);
/* Do we want this tracer to start on bootup? */
tracing_set_tracer(type->name);
default_bootup_tracer = NULL;
/* disable other selftests, since this will break it. */
tracing_selftest_disabled = 1;
#ifdef CONFIG_FTRACE_STARTUP_TEST
printk(KERN_INFO "Disabling FTRACE selftests due to running tracer '%s'\n",
type->name);
#endif
out_unlock:
lock_kernel();
return ret;
}