add ax88772_rst

hc

2024-05-10 9999e48639b3cecb08ffb37358bcba3b48161b29

 kernel/drivers/net/ethernet/sun/sunvnet.c
..
..
@@ -431,6 +431,9 @@
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 	hp = mdesc_grab();
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+	if (!hp)
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+		return -ENODEV;
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+
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 	vp = vnet_find_parent(hp, vdev->mp, vdev);
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 	if (IS_ERR(vp)) {
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 		pr_err("Cannot find port parent vnet\n");