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From: Konstantin Belousov <kib@FreeBSD.org>
Date: Sat, 13 Jul 2013 19:32:51 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r253325 - head/sys/kern
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Author: kib
Date: Sat Jul 13 19:32:50 2013
New Revision: 253325
URL: http://svnweb.freebsd.org/changeset/base/253325

Log:
  Allow to call clock_gettime() on the clock id for zombie process.
  
  Reported by:	Petr Salinger <Petr.Salinger@seznam.cz>
  PR:	threads/180496
  Sponsored by:	The FreeBSD Foundation

Modified:
  head/sys/kern/kern_time.c

Modified: head/sys/kern/kern_time.c
==============================================================================
--- head/sys/kern/kern_time.c	Sat Jul 13 18:09:42 2013	(r253324)
+++ head/sys/kern/kern_time.c	Sat Jul 13 19:32:50 2013	(r253325)
@@ -297,14 +297,9 @@ get_cputime(struct thread *td, clockid_t
 		PROC_UNLOCK(td2->td_proc);
 	} else {
 		pid = clock_id & CPUCLOCK_ID_MASK;
-		p2 = pfind(pid);
-		if (p2 == NULL)
-			return (EINVAL);
-		error = p_cansee(td, p2);
-		if (error) {
-			PROC_UNLOCK(p2);
+		error = pget(pid, PGET_CANSEE, &p2);
+		if (error != 0)
 			return (EINVAL);
-		}
 		get_process_cputime(p2, ats);
 		PROC_UNLOCK(p2);
 	}