* [PATCH -next] trace.h: Use memset_startat helper in trace_iterator_reset
@ 2021-12-10 1:22 Xiu Jianfeng
0 siblings, 0 replies; only message in thread
From: Xiu Jianfeng @ 2021-12-10 1:22 UTC (permalink / raw)
To: rostedt, mingo, miguel.ojeda.sandonis; +Cc: linux-kernel, wangweiyang2
Make use of memset_startat helper to simplify the code, there should be
no functional change as a result of this patch.
Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com>
---
kernel/trace/trace.h | 9 +--------
1 file changed, 1 insertion(+), 8 deletions(-)
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 38715aa6cfdf..cde9c0710317 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -1926,14 +1926,7 @@ extern struct trace_iterator *tracepoint_print_iter;
*/
static __always_inline void trace_iterator_reset(struct trace_iterator *iter)
{
- const size_t offset = offsetof(struct trace_iterator, seq);
-
- /*
- * Keep gcc from complaining about overwriting more than just one
- * member in the structure.
- */
- memset((char *)iter + offset, 0, sizeof(struct trace_iterator) - offset);
-
+ memset_startat(iter, 0, seq);
iter->pos = -1;
}
--
2.17.1
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