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-rwxr-xr-xtarget/linux/mediatek/mt7622/base-files/lib/upgrade/platform.sh4
1 files changed, 2 insertions, 2 deletions
diff --git a/target/linux/mediatek/mt7622/base-files/lib/upgrade/platform.sh b/target/linux/mediatek/mt7622/base-files/lib/upgrade/platform.sh
index 1036793145..e62eba7ef1 100755
--- a/target/linux/mediatek/mt7622/base-files/lib/upgrade/platform.sh
+++ b/target/linux/mediatek/mt7622/base-files/lib/upgrade/platform.sh
@@ -6,8 +6,8 @@ platform_do_upgrade() {
case "$board" in
bananapi,bpi-r64)
- export_bootdevice
- export_partdevice rootdev 0
+ local rootdev="$(cmdline_get_var root)"
+ rootdev="${rootdev##*/}"
case "$rootdev" in
mmc*)
CI_ROOTDEV="$rootdev"