From af01cd2f746d8644675cf6c17c20542c2659e12f Mon Sep 17 00:00:00 2001
From: dchagin <dchagin@FreeBSD.org>
Date: Sat, 17 Jan 2015 06:18:45 +0000
Subject: [PATCH] MFC r276906:

Allow clock_getcpuclockid() on the CPU-time clock for zombie process.
Posix does not prohibit this.
---
 sys/kern/kern_time.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/sys/kern/kern_time.c b/sys/kern/kern_time.c
index e8430e4b602d..80264da83214 100644
--- a/sys/kern/kern_time.c
+++ b/sys/kern/kern_time.c
@@ -200,13 +200,10 @@ kern_clock_getcpuclockid2(struct thread *td, id_t id, int which,
 	switch (which) {
 	case CPUCLOCK_WHICH_PID:
 		if (id != 0) {
-			p = pfind(id);
-			if (p == NULL)
-				return (ESRCH);
-			error = p_cansee(td, p);
-			PROC_UNLOCK(p);
+			error = pget(id, PGET_CANSEE | PGET_NOTID, &p);
 			if (error != 0)
 				return (error);
+			PROC_UNLOCK(p);
 			pid = id;
 		} else {
 			pid = td->td_proc->p_pid;