From: Xiu Jianfeng Date: Fri, 10 Dec 2021 01:22:45 +0000 (+0800) Subject: tracing: Use memset_startat helper in trace_iterator_reset() X-Git-Tag: howlett/maple/20220722_2~1399^2~31 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=dba879672258699223b0ce61f9e5c079b0476d92;p=users%2Fjedix%2Flinux-maple.git tracing: Use memset_startat helper in trace_iterator_reset() 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 Signed-off-by: Steven Rostedt (VMware) --- 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; }