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| author | Frederic Weisbecker <fweisbec@gmail.com> | 2009-05-30 04:25:30 +0200 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2009-06-02 01:18:33 +0200 |
| commit | 43bd1236234cacbc18d1476a9b57e7a306efddf5 (patch) | |
| tree | 087fd59a2f98e85fdf017267998a7364a47536c3 | |
| parent | dbd3fbdfeecfad4e71139db05d72560c3583e2a9 (diff) | |
| download | linux-3.10-43bd1236234cacbc18d1476a9b57e7a306efddf5.tar.gz linux-3.10-43bd1236234cacbc18d1476a9b57e7a306efddf5.tar.bz2 linux-3.10-43bd1236234cacbc18d1476a9b57e7a306efddf5.zip | |
tracing/stat: remove unappropriate safe walk on list
register_stat_tracer() uses list_for_each_entry_safe
to check whether a tracer is already present in the list.
But we don't delete anything from the list here, so
we don't need the safe version
[ Impact: cleanup list use is stat tracing ]
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
| -rw-r--r-- | kernel/trace/trace_stat.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/trace/trace_stat.c b/kernel/trace/trace_stat.c index 17f20ebdad2..c00643733f4 100644 --- a/kernel/trace/trace_stat.c +++ b/kernel/trace/trace_stat.c @@ -316,7 +316,7 @@ static int init_stat_file(struct stat_session *session) int register_stat_tracer(struct tracer_stat *trace) { - struct stat_session *session, *node, *tmp; + struct stat_session *session, *node; int ret; if (!trace) @@ -327,7 +327,7 @@ int register_stat_tracer(struct tracer_stat *trace) /* Already registered? */ mutex_lock(&all_stat_sessions_mutex); - list_for_each_entry_safe(node, tmp, &all_stat_sessions, session_list) { + list_for_each_entry(node, &all_stat_sessions, session_list) { if (node->ts == trace) { mutex_unlock(&all_stat_sessions_mutex); return -EINVAL; |