switch_root: print errno on failure

This commit is contained in:
Denis Vlasenko 2009-04-21 00:29:17 +00:00
parent 1b47bbdfa4
commit 0ad8234474

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@ -97,7 +97,7 @@ int switch_root_main(int argc UNUSED_PARAM, char **argv)
// Overmount / with newdir and chroot into it. The chdir is needed to // Overmount / with newdir and chroot into it. The chdir is needed to
// recalculate "." and ".." links. // recalculate "." and ".." links.
if (mount(".", "/", NULL, MS_MOVE, NULL)) if (mount(".", "/", NULL, MS_MOVE, NULL))
bb_error_msg_and_die("error moving root"); bb_perror_msg_and_die("error moving root");
xchroot("."); xchroot(".");
xchdir("/"); xchdir("/");