From a09de7e9266ea074172e5361a9bea36f301b76bb Mon Sep 17 00:00:00 2001
From: Christopher Roy Bratusek <nano@jpberlin.de>
Date: Sat, 4 Aug 2018 20:05:14 +0200
Subject: [PATCH] CommonInstaller: fix another bug in A/B support

---
 CommonInstaller | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/CommonInstaller b/CommonInstaller
index 17c9c16..d26e8f6 100644
--- a/CommonInstaller
+++ b/CommonInstaller
@@ -188,7 +188,7 @@ error () {
 mount_partitions () {
 	SLOT=$(grep_cmdline androidboot.slot_suffix)
 	if [ -z ${SLOT} ]; then
-		SLOT=$(grep_cmdline androidboot.slot)
+		SLOT=_$(grep_cmdline androidboot.slot)
 		[ "${SLOT}" = "_" ] && SLOT=
 	fi
 
@@ -200,7 +200,7 @@ mount_partitions () {
 
 	if [ ! -f /system/build.prop ]; then
 		SYSTEMBLOCK=$(find /dev/block -iname system${SLOT} | head -n 1)
-		mount -t ext4 -o rw $SYSTEMBLOCK /system
+		mount -t ext4 -o rw ${SYSTEMBLOCK} /system
 	fi
 
 	[ -f /system/build.prop ] || is_mounted /system || error "failed to mount /system"