tracing: Remove unnecessary NULL assignment

Remove unnecessary NULL assignment int create_new_subsystem().

Link: https://lkml.kernel.org/r/20221123065124.3982439-1-bobo.shaobowang@huawei.com
Signed-off-by: Wang ShaoBo <bobo.shaobowang@huawei.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>

diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index cf3fd74..b52c4d7 100644 (file)
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -2261,8 +2261,6 @@ create_new_subsystem(const char *name)
        if (!system->name)
                goto out_free;
 
-       system->filter = NULL;
-
        system->filter = kzalloc(sizeof(struct event_filter), GFP_KERNEL);
        if (!system->filter)
                goto out_free;