diff options
Diffstat (limited to 'target/linux/generic/pending-4.19/492-try-auto-mounting-ubi0-rootfs-in-init-do_mounts.c.patch')
| -rw-r--r-- | target/linux/generic/pending-4.19/492-try-auto-mounting-ubi0-rootfs-in-init-do_mounts.c.patch | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/target/linux/generic/pending-4.19/492-try-auto-mounting-ubi0-rootfs-in-init-do_mounts.c.patch b/target/linux/generic/pending-4.19/492-try-auto-mounting-ubi0-rootfs-in-init-do_mounts.c.patch new file mode 100644 index 0000000000..3c82a064eb --- /dev/null +++ b/target/linux/generic/pending-4.19/492-try-auto-mounting-ubi0-rootfs-in-init-do_mounts.c.patch @@ -0,0 +1,51 @@ +From: Daniel Golle <daniel@makrotopia.org> +Subject: try auto-mounting ubi0:rootfs in init/do_mounts.c + +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 +@@ -437,7 +437,28 @@ 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 +@@ -531,6 +552,10 @@ 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 + { + int err = create_dev("/dev/root", ROOT_DEV); |