From 1f41c5e1d2d815e585c7a7f1f3e6306c18f8fd2b Mon Sep 17 00:00:00 2001
From: NiuTao <niutao2@huawei.com>
Date: Fri, 26 Apr 2024 16:30:59 +0800
Subject: [PATCH] can not find free loop device

---
 scripts/make_image.sh | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/scripts/make_image.sh b/scripts/make_image.sh
index fd6df74..abfa382 100755
--- a/scripts/make_image.sh
+++ b/scripts/make_image.sh
@@ -34,13 +34,20 @@ function make_image()
     if [ "$devfs" == "tmpfs" ]; then
         mount -t devtmpfs nodev /dev
     fi
-    cat /proc/devices
+    mount
+    ls -l /dev/loop*
     if [ ! -e /dev/loop500 ]; then
         lodev_major=$(grep loop /proc/devices | cut -c3)
         mknod /dev/loop500 b $lodev_major 500
         LOOP=/dev/loop500
     else
-        LOOP=$(losetup -f)
+        loop_used=1
+        fdisk -l /dev/loop500 || loop_used=0
+        if [ $loop_used == 0 ]; then
+            LOOP=/dev/loop500
+        else
+            LOOP=$(losetup -f)
+        fi
     fi
     
     [[ -z $LOOP ]] && echo "Unable to find free loop device" && exit
-- 
Gitee