nspawn: change filesystem type from "bind" to NULL in mount() syscalls

[elogind.git] / src / core / namespace.c

diff --git a/src/core/namespace.c b/src/core/namespace.c
index 38325030133cf8e4b5f63f0c4bc2ea4987757c52..718da2384dc21adc294384d26941b7ec7d11713b 100644 (file)
--- a/src/core/namespace.c
+++ b/src/core/namespace.c
@@ -83,9 +83,11 @@ static int append_mounts(BindMount **p, char **strv, MountMode mode) {
 
 static int mount_path_compare(const void *a, const void *b) {
         const BindMount *p = a, *q = b;
+        int d;
 
-        if (path_equal(p->path, q->path)) {
+        d = path_compare(p->path, q->path);
 
+        if (!d) {
                 /* If the paths are equal, check the mode */
                 if (p->mode < q->mode)
                         return -1;
@@ -97,13 +99,7 @@ static int mount_path_compare(const void *a, const void *b) {
         }
 
         /* If the paths are not equal, then order prefixes first */
-        if (path_startswith(p->path, q->path))
-                return 1;
-
-        if (path_startswith(q->path, p->path))
-                return -1;
-
-        return 0;
+        return d;
 }
 
 static void drop_duplicates(BindMount *m, unsigned *n) {
@@ -164,7 +160,10 @@ static int mount_dev(BindMount *m) {
         }
 
         devptmx = strjoina(temporary_mount, "/dev/ptmx");
-        symlink("pts/ptmx", devptmx);
+        if (symlink("pts/ptmx", devptmx) < 0) {
+                r = -errno;
+                goto fail;
+        }
 
         devshm = strjoina(temporary_mount, "/dev/shm");
         (void) mkdir(devshm, 01777);
@@ -176,14 +175,14 @@ static int mount_dev(BindMount *m) {
 
         devmqueue = strjoina(temporary_mount, "/dev/mqueue");
         (void) mkdir(devmqueue, 0755);
-        mount("/dev/mqueue", devmqueue, NULL, MS_BIND, NULL);
+        (void) mount("/dev/mqueue", devmqueue, NULL, MS_BIND, NULL);
 
         devhugepages = strjoina(temporary_mount, "/dev/hugepages");
         (void) mkdir(devhugepages, 0755);
-        mount("/dev/hugepages", devhugepages, NULL, MS_BIND, NULL);
+        (void) mount("/dev/hugepages", devhugepages, NULL, MS_BIND, NULL);
 
         devlog = strjoina(temporary_mount, "/dev/log");
-        symlink("/run/systemd/journal/dev-log", devlog);
+        (void) symlink("/run/systemd/journal/dev-log", devlog);
 
         NULSTR_FOREACH(d, devnodes) {
                 _cleanup_free_ char *dn = NULL;
@@ -294,7 +293,7 @@ static int mount_kdbus(BindMount *m) {
                 goto fail;
         }
 
-        r = mount(m->path, busnode, "bind", MS_BIND, NULL);
+        r = mount(m->path, busnode, NULL, MS_BIND, NULL);
         if (r < 0) {
                 log_error_errno(errno, "bind mount of %s failed: %m", m->path);
                 r = -errno;
@@ -524,7 +523,7 @@ fail:
         if (n > 0) {
                 for (m = mounts; m < mounts + n; ++m)
                         if (m->done)
-                                umount2(m->path, MNT_DETACH);
+                                (void) umount2(m->path, MNT_DETACH);
         }
 
         return r;