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-rw-r--r--package/base-files/files/lib/upgrade/common.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/package/base-files/files/lib/upgrade/common.sh b/package/base-files/files/lib/upgrade/common.sh
index 2e123ab3cf..969aecb7ff 100644
--- a/package/base-files/files/lib/upgrade/common.sh
+++ b/package/base-files/files/lib/upgrade/common.sh
@@ -38,7 +38,7 @@ supivot() { # <new_root> <old_root>
mkdir -p $1$2 $1/proc $1/sys $1/dev $1/tmp $1/overlay && \
mount -o noatime,move /proc $1/proc && \
pivot_root $1 $1$2 || {
- umount $1 $1
+ umount -l $1 $1
return 1
}