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Subject[PATCH 1/3] trace: remove unneeded variable.
Date
Remove the unnecessary variable ret.

Impact: clean up.

Signed-off-by: Wenji Huang <wenji.huang@oracle.com>
---
kernel/trace/trace_branch.c | 4 +---
1 files changed, 1 insertions(+), 3 deletions(-)

diff --git a/kernel/trace/trace_branch.c b/kernel/trace/trace_branch.c
index f8ae2c5..c2e68d4 100644
--- a/kernel/trace/trace_branch.c
+++ b/kernel/trace/trace_branch.c
@@ -91,8 +91,6 @@ void trace_likely_condition(struct ftrace_branch_data *f, int val, int expect)

int enable_branch_tracing(struct trace_array *tr)
{
- int ret = 0;
-
mutex_lock(&branch_tracing_mutex);
branch_tracer = tr;
/*
@@ -103,7 +101,7 @@ int enable_branch_tracing(struct trace_array *tr)
branch_tracing_enabled++;
mutex_unlock(&branch_tracing_mutex);

- return ret;
+ return 0;
}

void disable_branch_tracing(void)
--
1.5.6


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