tracing: remove unneeded variable

Impact: clean up.

Remove the unnecessary variable ret.

Signed-off-by: Wenji Huang <wenji.huang@oracle.com>
Signed-off-by: Steven Rostedt <srostedt@redhat.com>

1 files changed, 1 insertions, 3 deletions

diff --git a/kernel/trace/trace_branch.c b/kernel/trace/trace_branch.c
index f8ae2c50e01d..c2e68d440c4d 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)