From: sunliming sunliming@kylinos.cn
[ Upstream commit f4b0d318097e45cbac5e14976f8bb56aa2cef504 ]
Two conditional compilation directives "#ifdef CONFIG_TRACER_MAX_TRACE" are used consecutively, and no other code in between. Simplify conditional the compilation code and only use one "#ifdef CONFIG_TRACER_MAX_TRACE".
Link: https://lkml.kernel.org/r/20220602140613.545069-1-sunliming@kylinos.cn
Signed-off-by: sunliming sunliming@kylinos.cn Signed-off-by: Steven Rostedt (Google) rostedt@goodmis.org Stable-dep-of: a541a9559bb0 ("tracing: Do not free snapshot if tracer is on cmdline") Signed-off-by: Sasha Levin sashal@kernel.org --- kernel/trace/trace.c | 2 -- 1 file changed, 2 deletions(-)
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index a5245362ce7a..870033f9c198 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -6025,9 +6025,7 @@ int tracing_set_tracer(struct trace_array *tr, const char *buf) synchronize_rcu(); free_snapshot(tr); } -#endif
-#ifdef CONFIG_TRACER_MAX_TRACE if (t->use_max_tr && !had_max_tr) { ret = tracing_alloc_snapshot_instance(tr); if (ret < 0)