svn commit: r277489 - head/sys/kern

[Konstantin Belousov]

Author: kib
Date: Wed Jan 21 16:32:54 2015
New Revision: 277489
URL: https://svnweb.freebsd.org/changeset/base/277489

Log:
  Do not assert that the new pipepair mutex is not initialized.  The
  backing memory contains garbage and might trigger the assertion.
  
  Reported and tested by:	pho
  Sponsored by:	The FreeBSD Foundation
  MFC after:	2 weeks

Modified:
  head/sys/kern/sys_pipe.c

Modified: head/sys/kern/sys_pipe.c
==============================================================================
--- head/sys/kern/sys_pipe.c	Wed Jan 21 16:13:37 2015	(r277488)
+++ head/sys/kern/sys_pipe.c	Wed Jan 21 16:32:54 2015	(r277489)
@@ -318,7 +318,7 @@ pipe_zone_init(void *mem, int size, int 
 
 	pp = (struct pipepair *)mem;
 
-	mtx_init(&pp->pp_mtx, "pipe mutex", NULL, MTX_DEF);
+	mtx_init(&pp->pp_mtx, "pipe mutex", NULL, MTX_DEF | MTX_NEW);
 	return (0);
 }