iwlwifi: mvm: don't send zero quota to the firmware

There are some cases where we can currently send zero quota
for a valid binding, e.g. if we update while an interface is
bound to a channel context but not yet acting as an AP.

Avoid this by reordering the checks.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

drivers/net/wireless/iwlwifi/mvm/quota.c

@@ -105,11 +105,6 @@ static void iwl_mvm_quota_iterator(void *_data, u8 *mac,
 	if (WARN_ON_ONCE(id >= MAX_BINDINGS))
 		return;
 
-	if (data->colors[id] < 0)
-		data->colors[id] = mvmvif->phy_ctxt->color;
-	else
-		WARN_ON_ONCE(data->colors[id] != mvmvif->phy_ctxt->color);
-
 	if (data->type == IWL_MVM_QUOTA_UPDATE_TYPE_DISABLED &&
 	    vif == data->vif)
 		return;
@@ -135,6 +130,11 @@ static void iwl_mvm_quota_iterator(void *_data, u8 *mac,
 		return;
 	}
 
+	if (data->colors[id] < 0)
+		data->colors[id] = mvmvif->phy_ctxt->color;
+	else
+		WARN_ON_ONCE(data->colors[id] != mvmvif->phy_ctxt->color);
+
 	data->n_interfaces[id]++;
 
 	if (iwl_mvm_vif_low_latency(mvmvif) && !data->low_latency[id]) {