svn commit: r250231 - head/lib/libkvm

[Jilles Tjoelker]

Author: jilles
Date: Sat May  4 11:45:48 2013
New Revision: 250231
URL: http://svnweb.freebsd.org/changeset/base/250231

Log:
  libkvm: Make second /dev/null file descriptor close-on-exec as well.
  
  MFC after:	1 week

Modified:
  head/lib/libkvm/kvm.c

Modified: head/lib/libkvm/kvm.c
==============================================================================
--- head/lib/libkvm/kvm.c	Sat May  4 09:47:51 2013	(r250230)
+++ head/lib/libkvm/kvm.c	Sat May  4 11:45:48 2013	(r250231)
@@ -187,7 +187,7 @@ _kvm_open(kvm_t *kd, const char *uf, con
 		 * case you're working with a live kernel.)
 		 */
 		if (strcmp(mf, _PATH_DEVNULL) == 0) {
-			kd->vmfd = open(_PATH_DEVNULL, O_RDONLY);
+			kd->vmfd = open(_PATH_DEVNULL, O_RDONLY | O_CLOEXEC);
 			return (kd);
 		} else if (strcmp(mf, _PATH_MEM) == 0) {
 			if ((kd->vmfd = open(_PATH_KMEM, flag | O_CLOEXEC)) <