Merge tag 'rxrpc-fixes-20191220' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux.git] / init / do_mounts_initrd.c

diff --git a/init/do_mounts_initrd.c b/init/do_mounts_initrd.c
index ccfc06607ef2083995c569ff0dd379a271669c54..dab8b1151b5698719cc9bbb072cead21c8773181 100644 (file)
--- a/init/do_mounts_initrd.c
+++ b/init/do_mounts_initrd.c
@@ -8,6 +8,7 @@
 #include <linux/sched.h>
 #include <linux/freezer.h>
 #include <linux/kmod.h>
+#include <uapi/linux/mount.h>
 
 #include "do_mounts.h"
 
@@ -47,13 +48,10 @@ early_param("initrd", early_initrd);
 static int init_linuxrc(struct subprocess_info *info, struct cred *new)
 {
        ksys_unshare(CLONE_FS | CLONE_FILES);
-       /* stdin/stdout/stderr for /linuxrc */
-       ksys_open("/dev/console", O_RDWR, 0);
-       ksys_dup(0);
-       ksys_dup(0);
+       console_on_rootfs();
        /* move initrd over / and chdir/chroot in initrd root */
        ksys_chdir("/root");
-       ksys_mount(".", "/", NULL, MS_MOVE, NULL);
+       do_mount(".", "/", NULL, MS_MOVE, NULL);
        ksys_chroot(".");
        ksys_setsid();
        return 0;
@@ -88,7 +86,7 @@ static void __init handle_initrd(void)
        current->flags &= ~PF_FREEZER_SKIP;
 
        /* move initrd to rootfs' /old */
-       ksys_mount("..", ".", NULL, MS_MOVE, NULL);
+       do_mount("..", ".", NULL, MS_MOVE, NULL);
        /* switch root and cwd back to / of rootfs */
        ksys_chroot("..");
 
@@ -102,7 +100,7 @@ static void __init handle_initrd(void)
        mount_root();
 
        printk(KERN_NOTICE "Trying to move old root to /initrd ... ");
-       error = ksys_mount("/old", "/root/initrd", NULL, MS_MOVE, NULL);
+       error = do_mount("/old", "/root/initrd", NULL, MS_MOVE, NULL);
        if (!error)
                printk("okay\n");
        else {