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Commit 67f20b08 authored by Wei Yongjun's avatar Wei Yongjun Committed by Steven Rostedt
Browse files

tracing: Using for_each_set_bit() to simplify trace_pid_write() 

Using for_each_set_bit() to simplify the code.

Link: http://lkml.kernel.org/r/1467645004-11169-1-git-send-email-weiyj_lk@163.com



Signed-off-by: default avatarWei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: default avatarSteven Rostedt <rostedt@goodmis.org>
parent 501c2375

kernel/trace/trace.c

+2 −6
Original line number Diff line number Diff line
@@ -517,13 +517,9 @@ int trace_pid_write(struct trace_pid_list *filtered_pids, 


	if (filtered_pids) {

		/* copy the current bits to the new max */

		pid = find_first_bit(filtered_pids->pids,

				     filtered_pids->pid_max);

		while (pid < filtered_pids->pid_max) {

		for_each_set_bit(pid, filtered_pids->pids,

				 filtered_pids->pid_max) {

			set_bit(pid, pid_list->pids);

			pid = find_next_bit(filtered_pids->pids,

					    filtered_pids->pid_max,

					    pid + 1);

			nr_pids++;

		}

	}