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Message-Id: <20130827010428.073350135@linuxfoundation.org>
Date: Mon, 26 Aug 2013 18:08:15 -0700
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Namhyung Kim <namhyung@...nel.org>,
Steven Rostedt <rostedt@...dmis.org>
Subject: [ 17/74] tracing: Do not call kmem_cache_free() on allocation failure
3.10-stable review patch. If anyone has any objections, please let me know.
------------------
From: Namhyung Kim <namhyung.kim@....com>
commit aaf6ac0f0871cb7fc0f28f3a00edf329bc7adc29 upstream.
There's no point calling it when _alloc() failed.
Link: http://lkml.kernel.org/r/1370585268-29169-1-git-send-email-namhyung@kernel.org
Signed-off-by: Namhyung Kim <namhyung@...nel.org>
Signed-off-by: Steven Rostedt <rostedt@...dmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
kernel/trace/trace_events.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -114,7 +114,7 @@ static int __trace_define_field(struct l
field = kmem_cache_alloc(field_cachep, GFP_TRACE);
if (!field)
- goto err;
+ return -ENOMEM;
field->name = name;
field->type = type;
@@ -131,11 +131,6 @@ static int __trace_define_field(struct l
list_add(&field->link, head);
return 0;
-
-err:
- kmem_cache_free(field_cachep, field);
-
- return -ENOMEM;
}
int trace_define_field(struct ftrace_event_call *call, const char *type,
--
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