[PATCH] signal: rewrite kill_something_info so it uses newer helpers (8d42db18) · Commits · 戴 / test

The goal is to remove users of the old signal helper functions so they can be removed. Signed-off-by:

Eric W. Biederman <ebiederm@xmission.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by:

kernel/signal.c

+8 −4

Original line number	Diff line number	Diff line
		@@ -1191,8 +1191,10 @@ EXPORT_SYMBOL_GPL(kill_pid_info_as_uid);

		static int kill_something_info(int sig, struct siginfo *info, int pid)
		{
		int ret;
		rcu_read_lock();
		if (!pid) {
		return kill_pg_info(sig, info, process_group(current));
		ret = kill_pgrp_info(sig, info, task_pgrp(current));
		} else if (pid == -1) {
		int retval = 0, count = 0;
		struct task_struct * p;
		@@ -1207,12 +1209,14 @@ static int kill_something_info(int sig, struct siginfo *info, int pid)
		}
		}
		read_unlock(&tasklist_lock);
		return count ? retval : -ESRCH;
		ret = count ? retval : -ESRCH;
		} else if (pid < 0) {
		return kill_pg_info(sig, info, -pid);
		ret = kill_pgrp_info(sig, info, find_pid(-pid));
		} else {
		return kill_proc_info(sig, info, pid);
		ret = kill_pid_info(sig, info, find_pid(pid));
		}
		rcu_read_unlock();
		return ret;
		}

		/*