diff options
| -rw-r--r-- | util-linux/switch_root.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/util-linux/switch_root.c b/util-linux/switch_root.c index 6034485d7..aaee35a3e 100644 --- a/util-linux/switch_root.c +++ b/util-linux/switch_root.c @@ -141,10 +141,12 @@ int switch_root_main(int argc UNUSED_PARAM, char **argv) // If a new console specified, redirect stdin/stdout/stderr to it if (console) { - close(0); - xopen(console, O_RDWR); - xdup2(0, 1); - xdup2(0, 2); + int fd = open_or_warn(console, O_RDWR); + if (fd >= 0) { + xmove_fd(fd, 0); + xdup2(0, 1); + xdup2(0, 2); + } } // Exec real init |