if (path_equal(new_root, "/"))
return 0;
- temporary_old_root = strappenda(new_root, oldroot);
+ temporary_old_root = strjoina(new_root, oldroot);
mkdir_p_label(temporary_old_root, 0755);
old_root_remove = in_initrd();
- if (stat(new_root, &new_root_stat) < 0) {
- log_error_errno(errno, "Failed to stat directory %s: %m", new_root);
- return -errno;
- }
+ if (stat(new_root, &new_root_stat) < 0)
+ return log_error_errno(errno, "Failed to stat directory %s: %m", new_root);
/* Work-around for kernel design: the kernel refuses switching
* root if any file systems are mounted MS_SHARED. Hence
struct stat sb;
snprintf(new_mount, sizeof(new_mount), "%s%s", new_root, i);
- char_array_0(new_mount);
mkdir_p_label(new_mount, 0755);
* switch_root() nevertheless. */
(void) base_filesystem_create(new_root);
- if (chdir(new_root) < 0) {
- log_error_errno(errno, "Failed to change directory to %s: %m", new_root);
- return -errno;
- }
+ if (chdir(new_root) < 0)
+ return log_error_errno(errno, "Failed to change directory to %s: %m", new_root);
if (old_root_remove) {
old_root_fd = open("/", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_NOCTTY|O_DIRECTORY);
oldroot,
errno == ENOENT ? "ignoring" : "leaving it around");
- } else if (mount(new_root, "/", NULL, MS_MOVE, NULL) < 0) {
- log_error_errno(errno, "Failed to mount moving %s to /: %m", new_root);
- return -errno;
- }
+ } else if (mount(new_root, "/", NULL, MS_MOVE, NULL) < 0)
+ return log_error_errno(errno, "Failed to mount moving %s to /: %m", new_root);
- if (chroot(".") < 0) {
- log_error_errno(errno, "Failed to change root: %m");
- return -errno;
- }
+ if (chroot(".") < 0)
+ return log_error_errno(errno, "Failed to change root: %m");
- if (chdir("/") < 0) {
- log_error_errno(errno, "Failed to change directory: %m");
- return -errno;
- }
+ if (chdir("/") < 0)
+ return log_error_errno(errno, "Failed to change directory: %m");
if (old_root_fd >= 0) {
struct stat rb;