linux-kernel - [tip:tracing/filters] tracing/filters: use list_for_each_entry

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Date:	Mon, 23 Mar 2009 08:31:19 GMT
From:	Tom Zanussi <tzanussi@...il.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	fweisbec@...il.com, tzanussi@...il.com, rostedt@...dmis.org,
	tglx@...utronix.de, mingo@...e.hu
Subject: [tip:tracing/filters] tracing/filters: use list_for_each_entry_safe

Commit-ID:  75c8b417526529d0a7072e4d93ec99dbd483a6f4
Gitweb:     http://git.kernel.org/tip/75c8b417526529d0a7072e4d93ec99dbd483a6f4
Author:     Tom Zanussi <tzanussi@...il.com>
AuthorDate: Mon, 23 Mar 2009 03:26:28 -0500
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Mon, 23 Mar 2009 09:28:07 +0100

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@...il.com>
Signed-off-by: Tom Zanussi <tzanussi@...il.com>
Cc: Steven Rostedt <rostedt@...dmis.org>
LKML-Reference: <1237796788.7527.35.camel@...rm-linux>
Signed-off-by: Ingo Molnar <mingo@...e.hu>


---
 kernel/trace/trace_events_filter.c |    6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index 1ab20ce..c4a413b 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;
 	}
--
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