install_easy: flow offload linux check

common/installer.sh

@@ -81,7 +81,7 @@ check_system()
 	OPENWRT_FW3=
 
 	local info
-	local UNAME=$(uname)
+	UNAME=$(uname)
 	if [ "$UNAME" = "Linux" ]; then
 		# do not use 'exe' because it requires root
 		local INIT=$(sed 's/\x0/\n/g' /proc/1/cmdline | head -n 1)

install_easy.sh

@@ -333,7 +333,7 @@ ask_config_tmpdir()
 
 nft_flow_offload()
 {
-	[ "$FWTYPE" = nftables -a "$MODE" != "tpws-socks" ] && [ "$FLOWOFFLOAD" = software -o "$FLOWOFFLOAD" = hardware ]
+	[ "$UNAME" = Linux -a "$FWTYPE" = nftables -a "$MODE" != "tpws-socks" ] && [ "$FLOWOFFLOAD" = software -o "$FLOWOFFLOAD" = hardware ]
 }
 
 ask_iface()
@@ -387,8 +387,6 @@ select_mode_iface()
 
 	if [ "$SYSTEM" = "openwrt" ] || [ "$MODE" = "filter" ]; then return; fi
 
-	echo
-
 	case "$MODE" in
 		tpws-socks)
 			echo "select LAN interface to allow socks access from your LAN. select NONE for localhost only."