From: Lennart Poettering <lennart@poettering.net>
Date: Mon, 14 Mar 2011 04:37:47 +0000 (+0100)
Subject: umount: assume that a non-existing /dev/loop device means it is already detached
X-Git-Tag: v21~95
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=c4f8bd1aef96063ccc2121fe2429a933a0b2068d

umount: assume that a non-existing /dev/loop device means it is already detached
---

diff --git a/src/umount.c b/src/umount.c
index 4fd6b22ad..6fe0a26dd 100644
--- a/src/umount.c
+++ b/src/umount.c
@@ -355,7 +355,7 @@ static int delete_loopback(const char *device) {
         int fd, r;
 
         if ((fd = open(device, O_RDONLY|O_CLOEXEC)) < 0)
-                return -errno;
+                return errno == ENOENT ? 0 : -errno;
 
         r = ioctl(fd, LOOP_CLR_FD, 0);
         close_nointr_nofail(fd);