Commit dba87967 authored by Xiu Jianfeng's avatar Xiu Jianfeng Committed by Steven Rostedt (VMware)
Browse files

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: default avatarXiu Jianfeng <xiujianfeng@huawei.com>
Signed-off-by: default avatarSteven Rostedt (VMware) <rostedt@goodmis.org>
parent 4f67cca7

kernel/trace/trace.h

+1 −8
Original line number Diff line number Diff line
@@ -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;

}