Signed-off-by: Fabio Berton <fabio.berton@ossystems.com.br>
Upstream-Status: Backport [https://git.busybox.net/busybox/commit/?id=426134128112738c97a665170b21153ef0764b7d]

From 95ea12791c8623bf825bc711ac7790306e7e1adb Mon Sep 17 00:00:00 2001
From: Shawn Landden <slandden@gmail.com>
Date: Mon, 8 Jan 2018 13:31:58 +0100
Subject: [PATCH] umount: ignore -c
Organization: O.S. Systems Software LTDA.

"-c, --no-canonicalize: Do not canonicalize paths."

As busybox doesn't canonicalize paths in the first place it is safe to ignore
this option.

See https://github.com/systemd/systemd/issues/7786

Signed-off-by: Shawn Landden <slandden@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---
 util-linux/umount.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/util-linux/umount.c b/util-linux/umount.c
index 0c50dc9ee..0425c5b76 100644
--- a/util-linux/umount.c
+++ b/util-linux/umount.c
@@ -68,8 +68,8 @@ static struct mntent *getmntent_r(FILE* stream, struct mntent* result,
 }
 #endif
 
-/* ignored: -v -t -i */
-#define OPTION_STRING           "fldnra" "vt:i"
+/* ignored: -c -v -t -i */
+#define OPTION_STRING           "fldnra" "cvt:i"
 #define OPT_FORCE               (1 << 0) // Same as MNT_FORCE
 #define OPT_LAZY                (1 << 1) // Same as MNT_DETACH
 #define OPT_FREELOOP            (1 << 2)
-- 
2.18.0