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-rw-r--r--kernel/trace/trace_events.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 97d4daaddd9..594d78aaa18 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -24,26 +24,31 @@ int trace_define_field(struct ftrace_event_call *call, char *type,
{
struct ftrace_event_field *field;
- field = kmalloc(sizeof(*field), GFP_KERNEL);
+ field = kzalloc(sizeof(*field), GFP_KERNEL);
if (!field)
goto err;
+
field->name = kstrdup(name, GFP_KERNEL);
if (!field->name)
goto err;
+
field->type = kstrdup(type, GFP_KERNEL);
if (!field->type)
goto err;
+
field->offset = offset;
field->size = size;
list_add(&field->link, &call->fields);
return 0;
+
err:
if (field) {
kfree(field->name);
kfree(field->type);
}
kfree(field);
+
return -ENOMEM;
}