diff --git a/drivers/net/wireless/realtek/rtw88/debug.c b/drivers/net/wireless/realtek/rtw88/debug.c
index 4539b673f6fd41cb9292a6b19d15a1f5261497eb..5c44fa87ed2ec1a1556da7a108e360fa89c46eeb 100644
--- a/drivers/net/wireless/realtek/rtw88/debug.c
+++ b/drivers/net/wireless/realtek/rtw88/debug.c
@@ -271,7 +271,7 @@ static ssize_t rtw_debugfs_set_rsvd_page(struct file *filp,
 
 	if (num != 2) {
 		rtw_warn(rtwdev, "invalid arguments\n");
-		return num;
+		return -EINVAL;
 	}
 
 	debugfs_priv->rsvd_page.page_offset = offset;