From 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:46:07 +0000
Subject: [PATCH] add audio

---
 kernel/drivers/net/arcnet/com20020-pci.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/kernel/drivers/net/arcnet/com20020-pci.c b/kernel/drivers/net/arcnet/com20020-pci.c
index eb7f767..b4f8798 100644
--- a/kernel/drivers/net/arcnet/com20020-pci.c
+++ b/kernel/drivers/net/arcnet/com20020-pci.c
@@ -136,6 +136,9 @@
 		return -ENOMEM;
 
 	ci = (struct com20020_pci_card_info *)id->driver_data;
+	if (!ci)
+		return -EINVAL;
+
 	priv->ci = ci;
 	mm = &ci->misc_map;
 
@@ -291,7 +294,7 @@
 
 		unregister_netdev(dev);
 		free_irq(dev->irq, dev);
-		free_netdev(dev);
+		free_arcdev(dev);
 	}
 }
 

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