[PATCH] tracing: Do not call kmem_cache_free() on allocation failure

From: Namhyung Kim
Date: Fri Jun 07 2013 - 02:07:57 EST


From: Namhyung Kim <namhyung.kim@xxxxxxx>

There's no point calling it when _alloc() failed.

Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
---
kernel/trace/trace_events.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 27963e2bf4bf..bb4950b552b5 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -97,7 +97,7 @@ static int __trace_define_field(struct list_head *head, const char *type,

field = kmem_cache_alloc(field_cachep, GFP_TRACE);
if (!field)
- goto err;
+ return -ENOMEM;

field->name = name;
field->type = type;
@@ -114,11 +114,6 @@ static int __trace_define_field(struct list_head *head, const char *type,
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,
--
1.7.11.7

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