diff --git a/drivers/net/ethernet/airoha/airoha_ppe.c b/drivers/net/ethernet/airoha/airoha_ppe.c
index 91bcc55a6ac6..0d42f82be77a 100644
--- a/drivers/net/ethernet/airoha/airoha_ppe.c
+++ b/drivers/net/ethernet/airoha/airoha_ppe.c
@@ -277,7 +277,7 @@ static int airoha_ppe_get_wdma_info(struct net_device *dev, const u8 *addr,
 
 	path = &stack.path[stack.num_paths - 1];
 	if (path->type != DEV_PATH_MTK_WDMA)
-		return -1;
+		return -EINVAL;
 
 	info->idx = path->mtk_wdma.wdma_idx;
 	info->bss = path->mtk_wdma.bss;