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Subject[PATCH 04/11] tracing: Remove second iterator initializer
From: Jovi Zhang <bookjovi@gmail.com>

The trace iterator is already initialized by trace_init_global_iter(),
so there is no need to initialize it again.

Link: http://lkml.kernel.org/r/CACV3sb+G1YnO6168JhY3dEadmJi58pA5-2cSZT8E0WVHJNFt9Q@mail.gmail.com

Signed-off-by: Jovi Zhang <bookjovi@gmail.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
kernel/trace/trace.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 07888e1..d399592 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -5030,6 +5030,7 @@ __ftrace_dump(bool disable_tracing, enum ftrace_dump_mode oops_dump_mode)
if (disable_tracing)
ftrace_kill();

+ /* Simulate the iterator */
trace_init_global_iter(&iter);

for_each_tracing_cpu(cpu) {
@@ -5041,10 +5042,6 @@ __ftrace_dump(bool disable_tracing, enum ftrace_dump_mode oops_dump_mode)
/* don't look at user memory in panic mode */
trace_flags &= ~TRACE_ITER_SYM_USEROBJ;

- /* Simulate the iterator */
- iter.tr = &global_trace;
- iter.trace = current_trace;
-
switch (oops_dump_mode) {
case DUMP_ALL:
iter.cpu_file = TRACE_PIPE_ALL_CPU;
--
1.7.10.4

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