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-rw-r--r--src/core/namespace.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/core/namespace.c b/src/core/namespace.c
index 8df82c031c..4baf4750f4 100644
--- a/src/core/namespace.c
+++ b/src/core/namespace.c
@@ -347,7 +347,8 @@ static int make_read_only(BindMount *m) {
else if (IN_SET(m->mode, READWRITE, PRIVATE_TMP, PRIVATE_VAR_TMP, PRIVATE_DEV)) {
r = bind_remount_recursive(m->path, false);
if (r == 0 && m->mode == PRIVATE_DEV) /* can be readonly but the submounts can't*/
- r = mount(NULL, m->path, NULL, MS_REMOUNT|DEV_MOUNT_OPTIONS|MS_RDONLY, NULL);
+ if (mount(NULL, m->path, NULL, MS_REMOUNT|DEV_MOUNT_OPTIONS|MS_RDONLY, NULL) < 0)
+ r = -errno;
} else
r = 0;