diff options
| author | zhangwei(Jovi) <jovi.zhangwei@huawei.com> | 2013-03-11 03:13:29 -0400 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2013-03-15 13:22:05 -0400 |
| commit | 687c878afb526a0c3117dbc408ca76ad80d689f7 (patch) | |
| tree | 235c0d1a9e293dfecde5d28dc42ff51e9452df62 /kernel/trace | |
| parent | 6c43e554a2a5c1f2caf1733d46719bc58de3e37b (diff) | |
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) <jovi.zhangwei@huawei.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/trace.c | 9 |
1 files 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; } | |||
| 5205 | 5205 | ||
| 5206 | struct dentry *tracing_init_dentry_tr(struct trace_array *tr) | 5206 | struct dentry *tracing_init_dentry_tr(struct trace_array *tr) |
| 5207 | { | 5207 | { |
| 5208 | static int once; | ||
| 5209 | |||
| 5210 | if (tr->dir) | 5208 | if (tr->dir) |
| 5211 | return tr->dir; | 5209 | return tr->dir; |
| 5212 | 5210 | ||
| @@ -5216,11 +5214,8 @@ struct dentry *tracing_init_dentry_tr(struct trace_array *tr) | |||
| 5216 | if (tr->flags & TRACE_ARRAY_FL_GLOBAL) | 5214 | if (tr->flags & TRACE_ARRAY_FL_GLOBAL) |
| 5217 | tr->dir = debugfs_create_dir("tracing", NULL); | 5215 | tr->dir = debugfs_create_dir("tracing", NULL); |
| 5218 | 5216 | ||
| 5219 | if (!tr->dir && !once) { | 5217 | if (!tr->dir) |
| 5220 | once = 1; | 5218 | pr_warn_once("Could not create debugfs directory 'tracing'\n"); |
| 5221 | pr_warning("Could not create debugfs directory 'tracing'\n"); | ||
| 5222 | return NULL; | ||
| 5223 | } | ||
| 5224 | 5219 | ||
| 5225 | return tr->dir; | 5220 | return tr->dir; |
| 5226 | } | 5221 | } |