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From: Edward Tomasz Napierala <trasz@FreeBSD.org>
Date: Sun, 19 Mar 2017 10:28:51 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r315537 - stable/11/sys/compat/linux
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Author: trasz
Date: Sun Mar 19 10:28:51 2017
New Revision: 315537
URL: https://svnweb.freebsd.org/changeset/base/315537

Log:
  MFC r313017:
  
  Fix linux_getppid() to debug the actual parent, even it was reparented
  by debugger.

Modified:
  stable/11/sys/compat/linux/linux_misc.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/compat/linux/linux_misc.c
==============================================================================
--- stable/11/sys/compat/linux/linux_misc.c	Sun Mar 19 10:28:04 2017	(r315536)
+++ stable/11/sys/compat/linux/linux_misc.c	Sun Mar 19 10:28:51 2017	(r315537)
@@ -1726,9 +1726,7 @@ linux_getppid(struct thread *td, struct 
 		printf(ARGS(getppid, ""));
 #endif
 
-	PROC_LOCK(td->td_proc);
-	td->td_retval[0] = td->td_proc->p_pptr->p_pid;
-	PROC_UNLOCK(td->td_proc);
+	td->td_retval[0] = kern_getppid(td);
 	return (0);
 }