tracing: Cleanup code by removing init "char *name"

The pointer is assigned to "type->name" anyway. no need to
initialize with "preemption".

Link: https://lkml.kernel.org/r/20220513075221.26275-1-liqiong@nfschina.com
Signed-off-by: liqiong <liqiong@nfschina.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index e38a7ca4cdd07cbcc36c032a7a529e60395e640b..f400800bc910d9c1a44c3b1652e34cf56c723a57 100644 (file)
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -4276,9 +4276,7 @@ print_trace_header(struct seq_file *m, struct trace_iterator *iter)
        struct tracer *type = iter->trace;
        unsigned long entries;
        unsigned long total;
-       const char *name = "preemption";
-
-       name = type->name;
+       const char *name = type->name;
 
        get_total_entries(buf, &total, &entries);