From 3afda7c7976c25db786948a961873fa5c2c8e0e9 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Thu, 17 Sep 2020 17:24:33 +0200
Subject: [PATCH] dissect: is_loop_device() returns negative on error, don't
 mistake that is true

---
 src/shared/dissect-image.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/shared/dissect-image.c b/src/shared/dissect-image.c
index e7e05a5de6..2c339e38b8 100644
--- a/src/shared/dissect-image.c
+++ b/src/shared/dissect-image.c
@@ -1033,7 +1033,7 @@ static int mount_partition(
         /* If requested, turn on discard support. */
         if (fstype_can_discard(fstype) &&
             ((flags & DISSECT_IMAGE_DISCARD) ||
-             ((flags & DISSECT_IMAGE_DISCARD_ON_LOOP) && is_loop_device(m->node)))) {
+             ((flags & DISSECT_IMAGE_DISCARD_ON_LOOP) && is_loop_device(m->node) > 0))) {
                 options = strdup("discard");
                 if (!options)
                         return -ENOMEM;