From 687c878afb526a0c3117dbc408ca76ad80d689f7 Mon Sep 17 00:00:00 2001 From: "zhangwei(Jovi)" Date: Mon, 11 Mar 2013 15:13:29 +0800 Subject: [PATCH] tracing: Use pr_warn_once instead of open coded implementation Use pr_warn_once, instead of making an open coded implementation. Link: http://lkml.kernel.org/r/513D8419.20400@huawei.com Signed-off-by: zhangwei(Jovi) Signed-off-by: Steven Rostedt --- kernel/trace/trace.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 7f0e7fa6d62c..bba1ba958ee8 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -5205,8 +5205,6 @@ static inline int register_snapshot_cmd(void) { return 0; } struct dentry *tracing_init_dentry_tr(struct trace_array *tr) { - static int once; - if (tr->dir) return tr->dir; @@ -5216,11 +5214,8 @@ struct dentry *tracing_init_dentry_tr(struct trace_array *tr) if (tr->flags & TRACE_ARRAY_FL_GLOBAL) tr->dir = debugfs_create_dir("tracing", NULL); - if (!tr->dir && !once) { - once = 1; - pr_warning("Could not create debugfs directory 'tracing'\n"); - return NULL; - } + if (!tr->dir) + pr_warn_once("Could not create debugfs directory 'tracing'\n"); return tr->dir; } -- 2.39.2