tracing/filters: use list_for_each_entry_safe

Impact: cleanup

Use list_for_each_entry_safe instead of list_for_each_entry in
find_event_field().

Reported-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Tom Zanussi <tzanussi@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
LKML-Reference: <1237796788.7527.35.camel@charm-linux>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 2 insertions, 4 deletions

diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index 1ab20cee0e4c..c4a413b70f78 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -147,11 +147,9 @@ int filter_print_preds(struct filter_pred **preds, char *buf)
 static struct ftrace_event_field *
 find_event_field(struct ftrace_event_call *call, char *name)
 {
-        struct ftrace_event_field *field;
-        struct list_head *entry, *tmp;
+        struct ftrace_event_field *field, *next;
 
-        list_for_each_safe(entry, tmp, &call->fields) {
-                field = list_entry(entry, struct ftrace_event_field, link);
+        list_for_each_entry_safe(field, next, &call->fields, link) {
                 if (!strcmp(field->name, name))
                         return field;
         }