Use space after a silencing (void)

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

diff --git a/src/core/namespace.c b/src/core/namespace.c
index 6dd7a4f25ec9f48a698d4f5a33dcdbc51d86b885..38325030133cf8e4b5f63f0c4bc2ea4987757c52 100644 (file)
--- a/src/core/namespace.c
+++ b/src/core/namespace.c
@@ -25,24 +25,17 @@
 #include <stdio.h>
 #include <unistd.h>
 #include <sys/stat.h>
-#include <sys/types.h>
 #include <sched.h>
-#include <sys/syscall.h>
-#include <limits.h>
 #include <linux/fs.h>
-#include <sys/file.h>
 
 #include "strv.h"
 #include "util.h"
 #include "path-util.h"
-#include "namespace.h"
 #include "missing.h"
-#include "execute.h"
 #include "loopback-setup.h"
-#include "mkdir.h"
 #include "dev-setup.h"
-#include "def.h"
-#include "label.h"
+#include "selinux-util.h"
+#include "namespace.h"
 
 typedef enum MountMode {
         /* This is ordered by priority! */
@@ -145,7 +138,7 @@ static int mount_dev(BindMount *m) {
                 "/dev/tty\0";
 
         char temporary_mount[] = "/tmp/namespace-dev-XXXXXX";
-        const char *d, *dev = NULL, *devpts = NULL, *devshm = NULL, *devkdbus = NULL, *devhugepages = NULL, *devmqueue = NULL, *devlog = NULL, *devptmx = NULL;
+        const char *d, *dev = NULL, *devpts = NULL, *devshm = NULL, *devhugepages = NULL, *devmqueue = NULL, *devlog = NULL, *devptmx = NULL;
         _cleanup_umask_ mode_t u;
         int r;
 
@@ -156,44 +149,40 @@ static int mount_dev(BindMount *m) {
         if (!mkdtemp(temporary_mount))
                 return -errno;
 
-        dev = strappenda(temporary_mount, "/dev");
-        mkdir(dev, 0755);
+        dev = strjoina(temporary_mount, "/dev");
+        (void) mkdir(dev, 0755);
         if (mount("tmpfs", dev, "tmpfs", MS_NOSUID|MS_STRICTATIME, "mode=755") < 0) {
                 r = -errno;
                 goto fail;
         }
 
-        devpts = strappenda(temporary_mount, "/dev/pts");
-        mkdir(devpts, 0755);
+        devpts = strjoina(temporary_mount, "/dev/pts");
+        (void) mkdir(devpts, 0755);
         if (mount("/dev/pts", devpts, NULL, MS_BIND, NULL) < 0) {
                 r = -errno;
                 goto fail;
         }
 
-        devptmx = strappenda(temporary_mount, "/dev/ptmx");
+        devptmx = strjoina(temporary_mount, "/dev/ptmx");
         symlink("pts/ptmx", devptmx);
 
-        devshm = strappenda(temporary_mount, "/dev/shm");
-        mkdir(devshm, 01777);
+        devshm = strjoina(temporary_mount, "/dev/shm");
+        (void) mkdir(devshm, 01777);
         r = mount("/dev/shm", devshm, NULL, MS_BIND, NULL);
         if (r < 0) {
                 r = -errno;
                 goto fail;
         }
 
-        devmqueue = strappenda(temporary_mount, "/dev/mqueue");
-        mkdir(devmqueue, 0755);
+        devmqueue = strjoina(temporary_mount, "/dev/mqueue");
+        (void) mkdir(devmqueue, 0755);
         mount("/dev/mqueue", devmqueue, NULL, MS_BIND, NULL);
 
-        devkdbus = strappenda(temporary_mount, "/dev/kdbus");
-        mkdir(devkdbus, 0755);
-        mount("/dev/kdbus", devkdbus, NULL, MS_BIND, NULL);
-
-        devhugepages = strappenda(temporary_mount, "/dev/hugepages");
-        mkdir(devhugepages, 0755);
+        devhugepages = strjoina(temporary_mount, "/dev/hugepages");
+        (void) mkdir(devhugepages, 0755);
         mount("/dev/hugepages", devhugepages, NULL, MS_BIND, NULL);
 
-        devlog = strappenda(temporary_mount, "/dev/log");
+        devlog = strjoina(temporary_mount, "/dev/log");
         symlink("/run/systemd/journal/dev-log", devlog);
 
         NULSTR_FOREACH(d, devnodes) {
@@ -225,9 +214,9 @@ static int mount_dev(BindMount *m) {
                         goto fail;
                 }
 
-                mac_selinux_context_set(d, st.st_mode);
+                mac_selinux_create_file_prepare(d, st.st_mode);
                 r = mknod(dn, st.st_mode, st.st_rdev);
-                mac_selinux_context_clear();
+                mac_selinux_create_file_clear();
 
                 if (r < 0) {
                         r = -errno;
@@ -254,9 +243,6 @@ fail:
         if (devshm)
                 umount(devshm);
 
-        if (devkdbus)
-                umount(devkdbus);
-
         if (devhugepages)
                 umount(devhugepages);
 
@@ -283,13 +269,11 @@ static int mount_kdbus(BindMount *m) {
 
         u = umask(0000);
 
-        if (!mkdtemp(temporary_mount)) {
-                log_error("Failed create temp dir: %m");
-                return -errno;
-        }
+        if (!mkdtemp(temporary_mount))
+                return log_error_errno(errno, "Failed create temp dir: %m");
 
-        root = strappenda(temporary_mount, "/kdbus");
-        mkdir(root, 0755);
+        root = strjoina(temporary_mount, "/kdbus");
+        (void) mkdir(root, 0755);
         if (mount("tmpfs", root, "tmpfs", MS_NOSUID|MS_STRICTATIME, "mode=777") < 0) {
                 r = -errno;
                 goto fail;
@@ -298,21 +282,21 @@ static int mount_kdbus(BindMount *m) {
         /* create a new /dev/null dev node copy so we have some fodder to
          * bind-mount the custom endpoint over. */
         if (stat("/dev/null", &st) < 0) {
-                log_error("Failed to stat /dev/null: %m");
+                log_error_errno(errno, "Failed to stat /dev/null: %m");
                 r = -errno;
                 goto fail;
         }
 
-        busnode = strappenda(root, "/bus");
+        busnode = strjoina(root, "/bus");
         if (mknod(busnode, (st.st_mode & ~07777) | 0600, st.st_rdev) < 0) {
-                log_error("mknod() for %s failed: %m", busnode);
+                log_error_errno(errno, "mknod() for %s failed: %m", busnode);
                 r = -errno;
                 goto fail;
         }
 
         r = mount(m->path, busnode, "bind", MS_BIND, NULL);
         if (r < 0) {
-                log_error("bind mount of %s failed: %m", m->path);
+                log_error_errno(errno, "bind mount of %s failed: %m", m->path);
                 r = -errno;
                 goto fail;
         }
@@ -324,7 +308,7 @@ static int mount_kdbus(BindMount *m) {
         }
 
         if (mount(root, basepath, NULL, MS_MOVE, NULL) < 0) {
-                log_error("bind mount of %s failed: %m", basepath);
+                log_error_errno(errno, "bind mount of %s failed: %m", basepath);
                 r = -errno;
                 goto fail;
         }
@@ -430,7 +414,7 @@ int setup_namespace(
                 bool private_dev,
                 ProtectHome protect_home,
                 ProtectSystem protect_system,
-                unsigned mount_flags) {
+                unsigned long mount_flags) {
 
         BindMount *m, *mounts = NULL;
         unsigned n;
@@ -574,7 +558,7 @@ static int setup_one_tmp_dir(const char *id, const char *prefix, char **path) {
         RUN_WITH_UMASK(0000) {
                 char *y;
 
-                y = strappenda(x, "/tmp");
+                y = strjoina(x, "/tmp");
 
                 if (mkdir(y, 0777 | S_ISVTX) < 0)
                         return -errno;
@@ -602,7 +586,7 @@ int setup_tmp_dirs(const char *id, char **tmp_dir, char **var_tmp_dir) {
         if (r < 0) {
                 char *t;
 
-                t = strappenda(a, "/tmp");
+                t = strjoina(a, "/tmp");
                 rmdir(t);
                 rmdir(a);