From 15a4f1ee50f61cecd84cc95c38e1185faa81c03c Mon Sep 17 00:00:00 2001
From: Glenn L McGrath <bug1@ihug.co.nz>
Date: Sun, 22 Feb 2004 11:35:13 +0000
Subject: [PATCH] Patch from Chris Larson (kergoth), to allow multiple
 directores to be unmounted at once.

---
 docs/busybox.sgml   |  2 +-
 util-linux/umount.c | 17 ++++++++++-------
 2 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/docs/busybox.sgml b/docs/busybox.sgml
index b54d68ee5..bd8b1697c 100644
--- a/docs/busybox.sgml
+++ b/docs/busybox.sgml
@@ -3441,7 +3441,7 @@
 	    <title>umount</title>
 
 		<para>
-		Usage: umount [OPTION]... DEVICE|DIRECTORY
+		Usage: umount [OPTION]... DEVICE|DIRECTORY [...]
 		</para>
 
 		<para>
diff --git a/util-linux/umount.c b/util-linux/umount.c
index 863d52476..5df597028 100644
--- a/util-linux/umount.c
+++ b/util-linux/umount.c
@@ -238,7 +238,7 @@ static int umount_all(void)
 
 extern int umount_main(int argc, char **argv)
 {
-	char path[PATH_MAX];
+	char path[PATH_MAX], result = 0;
 
 	if (argc < 2) {
 		bb_show_usage();
@@ -286,10 +286,13 @@ extern int umount_main(int argc, char **argv)
 		else
 			return EXIT_FAILURE;
 	}
-	if (realpath(*argv, path) == NULL)
-		bb_perror_msg_and_die("%s", path);
-	if (do_umount(path))
-		return EXIT_SUCCESS;
-	bb_perror_msg_and_die("%s", *argv);
-}
 
+	do {
+		if (realpath(*argv, path) != NULL)
+			if (do_umount(path))
+				continue;
+		bb_perror_msg("%s", path);
+		result++;
+	} while (--argc > 0 && ++argv);
+	return result;
+}