openwrt/target/linux/generic/patches-4.1/492-try-auto-mounting-ubi0-rootfs-in-init-do_mounts.c.patch
Stijn Tintel 2fc3680dd0 kernel: update kernel 4.1 to version 4.1.34
Refresh patches for all targets supporting 4.1 and not marked broken.
Compile-tested on all targets using 4.1 and not marked broken.

Changes to generic/610-netfilter_match_bypass_default_checks.patch based
on 84d489f64f.
Changes to generic/666-Add-support-for-MAP-E-FMRs-mesh-mode.patch based
on a90ee92337.

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
2016-10-24 20:25:14 +03:00

55 lines
1.2 KiB
Diff

From eea9e1785e4c05c2a3444506aabafa0ae958538f Mon Sep 17 00:00:00 2001
From: Daniel Golle <daniel@makrotopia.org>
Date: Sat, 17 May 2014 03:35:02 +0200
Subject: [PATCH 4/5] try auto-mounting ubi0:rootfs in init/do_mounts.c
To: openwrt-devel@lists.openwrt.org
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
---
init/do_mounts.c | 26 +++++++++++++++++++++++++-
1 file changed, 25 insertions(+), 1 deletion(-)
--- a/init/do_mounts.c
+++ b/init/do_mounts.c
@@ -438,7 +438,28 @@ retry:
out:
put_page(page);
}
-
+
+static int __init mount_ubi_rootfs(void)
+{
+ int flags = MS_SILENT;
+ int err, tried = 0;
+
+ while (tried < 2) {
+ err = do_mount_root("ubi0:rootfs", "ubifs", flags, \
+ root_mount_data);
+ switch (err) {
+ case -EACCES:
+ flags |= MS_RDONLY;
+ tried++;
+ break;
+ default:
+ return err;
+ }
+ }
+
+ return -EINVAL;
+}
+
#ifdef CONFIG_ROOT_NFS
#define NFSROOT_TIMEOUT_MIN 5
@@ -532,6 +553,10 @@ void __init mount_root(void)
change_floppy("root floppy");
}
#endif
+#ifdef CONFIG_MTD_ROOTFS_ROOT_DEV
+ if (!mount_ubi_rootfs())
+ return;
+#endif
#ifdef CONFIG_BLOCK
create_dev("/dev/root", ROOT_DEV);
mount_block_root("/dev/root", root_mountflags);