initrdscripts: add $CMDLINE to init-live switch_root

init-live.sh: $CMDLINE variable should be provided to switch_root
to let user specify runlevel on grub command line.
Feeding with -c /dev/console as well as busybox switch_root enables that option.

(From OE-Core rev: 5a2f4feeaac4f9278fa0cf808c2f495f0c19324f)

Signed-off-by: Krzysztof Sywula <krzysztof.m.sywula@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 4 insertions, 1 deletions

diff --git a/meta/recipes-core/initrdscripts/files/init-live.sh b/meta/recipes-core/initrdscripts/files/init-live.sh
index bd259b9902..7e27f91f9e 100644
--- a/meta/recipes-core/initrdscripts/files/init-live.sh
+++ b/meta/recipes-core/initrdscripts/files/init-live.sh
@@ -89,7 +89,10 @@ boot_live_root() {
     mount -n --move /dev ${ROOT_MOUNT}/dev
 
     cd $ROOT_MOUNT
-    exec switch_root $ROOT_MOUNT /sbin/init
+
+    # busybox switch_root supports -c option
+    exec switch_root -c /dev/console $ROOT_MOUNT /sbin/init $CMDLINE ||
+        fatal "Couldn't switch_root, dropping to shell"
 }
 
 fatal() {