From 14716af4723e94913dfaf4516b975db1a764b5e8 Mon Sep 17 00:00:00 2001
From: sin <sin@2f30.org>
Date: Wed, 12 Mar 2014 16:35:20 +0200
Subject: [PATCH] Don't umount proc in umount -a

---
 umount.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/umount.c b/umount.c
index d04410a..46143c1 100644
--- a/umount.c
+++ b/umount.c
@@ -2,6 +2,7 @@
 #include <mntent.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <sys/mount.h>
 #include "util.h"
 
@@ -47,6 +48,8 @@ main(int argc, char *argv[])
 		if (!fp)
 			eprintf("setmntent %s:", "/etc/mtab");
 		while ((me = getmntent(fp))) {
+			if (strcmp(me->mnt_type, "proc") == 0)
+				continue;
 			if (umount2(me->mnt_dir, flags) < 0) {
 				weprintf("umount2:");
 				ret = EXIT_FAILURE;