mwan3: fix missing device in mwan3_set_policy()

Signed-off-by: Chen Minqiang <redacted>

diff --git a/net/mwan3/files/lib/mwan3/mwan3.sh b/net/mwan3/files/lib/mwan3/mwan3.sh
index d3360a5690bca6e072c22a4a383dec5ed6fb0fa6..f252cb26bac8a2a77e82456de614b7b80eb3b686 100644 (file)
--- a/net/mwan3/files/lib/mwan3/mwan3.sh
+++ b/net/mwan3/files/lib/mwan3/mwan3.sh
@@ -582,8 +582,10 @@ mwan3_set_policy()
                                $IPT4 -I mwan3_policy_$policy -m mark --mark 0x0/$MMX_MASK $probability -m comment --comment "$iface $weight $total_weight_v4" -j MARK --set-xmark $(mwan3_id2mask id MMX_MASK)/$MMX_MASK
                        fi
                else
-                       $IPT4 -S mwan3_policy_$policy | grep -q '.*--comment ".* [0-9]* [0-9]*"' || \
-                               $IPT4 -I mwan3_policy_$policy -o $device -m mark --mark 0x0/$MMX_MASK -m comment --comment "out $iface $device" -j MARK --set-xmark $MMX_DEFAULT/$MMX_MASK
+                       [ -n "$device" ] && {
+                               $IPT4 -S mwan3_policy_$policy | grep -q '.*--comment ".* [0-9]* [0-9]*"' || \
+                                       $IPT4 -I mwan3_policy_$policy -o $device -m mark --mark 0x0/$MMX_MASK -m comment --comment "out $iface $device" -j MARK --set-xmark $MMX_DEFAULT/$MMX_MASK
+                       }
                fi
        fi
 
@@ -618,8 +620,10 @@ mwan3_set_policy()
                                $IPT6 -I mwan3_policy_$policy -m mark --mark 0x0/$MMX_MASK $probability -m comment --comment "$iface $weight $total_weight_v6" -j MARK --set-xmark $(mwan3_id2mask id MMX_MASK)/$MMX_MASK
                        fi
                else
-                       $IPT6 -S mwan3_policy_$policy | grep -q '.*--comment ".* [0-9]* [0-9]*"' || \
-                               $IPT6 -I mwan3_policy_$policy -o $device -m mark --mark 0x0/$MMX_MASK -m comment --comment "out $iface $device" -j MARK --set-xmark $MMX_DEFAULT/$MMX_MASK
+                       [ -n "$device" ] && {
+                               $IPT6 -S mwan3_policy_$policy | grep -q '.*--comment ".* [0-9]* [0-9]*"' || \
+                                       $IPT6 -I mwan3_policy_$policy -o $device -m mark --mark 0x0/$MMX_MASK -m comment --comment "out $iface $device" -j MARK --set-xmark $MMX_DEFAULT/$MMX_MASK
+                       }
                fi
        fi
 }