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