Messages in this thread Patch in this message | | | Date | Sat, 11 Dec 2021 20:26:23 -0500 | From | Steven Rostedt <> | Subject | [for-next][PATCH 06/11] tracing: Use memset_startat helper in trace_iterator_reset() |
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From: Xiu Jianfeng <xiujianfeng@huawei.com>
Make use of memset_startat helper to simplify the code, there should be no functional change as a result of this patch.
Link: https://lkml.kernel.org/r/20211210012245.207489-1-xiujianfeng@huawei.com
Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> --- 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 8bd1a815ce90..64a7ec44a635 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -1932,14 +1932,7 @@ 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; } -- 2.33.0
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