[PATCH 06/13] tracing: remove dump_ran check in __ftrace_dump

["zhangwei(Jovi)" <jovi.zhangwei@huawei.com>]

It's reasonable to call __ftrace_dump function not only once,
so remove the dump_ran variable checking.

Signed-off-by: zhangwei(Jovi) <jovi.zhangwei@huawei.com>
---
 kernel/trace/trace.c |    6 ------
 1 file changed, 6 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 090eddb..4cec7b8 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -5106,17 +5106,12 @@ __ftrace_dump(bool disable_tracing, enum ftrace_dump_mode oops_dump_mode)
 	/* use static because iter can be a bit big for the stack */
 	static struct trace_iterator iter;
 	unsigned int old_userobj;
-	static int dump_ran;
 	unsigned long flags;
 	int cnt = 0, cpu;

 	/* only one dump */
 	local_irq_save(flags);
 	arch_spin_lock(&ftrace_dump_lock);
-	if (dump_ran)
-		goto out;
-
-	dump_ran = 1;

 	tracing_off();

@@ -5206,7 +5201,6 @@ __ftrace_dump(bool disable_tracing, enum ftrace_dump_mode oops_dump_mode)
 		tracing_on();
 	}

- out:
 	arch_spin_unlock(&ftrace_dump_lock);
 	local_irq_restore(flags);
 }
-- 
1.7.9.7