treewide: fix initramfs detection

[openwrt/staging/jow.git] / target / linux / ramips / mt7621 / base-files / lib / upgrade / platform.sh

diff --git a/target/linux/ramips/mt7621/base-files/lib/upgrade/platform.sh b/target/linux/ramips/mt7621/base-files/lib/upgrade/platform.sh
index c68b012d0b6320e9e3276c5677050813743e6908..99ed36e429111cc19851fc43bcc2963c719e759c 100755 (executable)
--- a/target/linux/ramips/mt7621/base-files/lib/upgrade/platform.sh
+++ b/target/linux/ramips/mt7621/base-files/lib/upgrade/platform.sh
@@ -31,7 +31,7 @@ platform_do_upgrade() {
        mikrotik,routerboard-760igs|\
        mikrotik,routerboard-m11g|\
        mikrotik,routerboard-m33g)
-               [ -z "$(rootfs_type)" ] && mtd erase firmware
+               [ "$(rootfs_type)" = "tmpfs" ] && mtd erase firmware
                ;;
        asus,rt-ac65p|\
        asus,rt-ac85p)