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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/drivers/soc/rockchip/mtd_vendor_storage.c
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@@ -47,6 +47,7 @@
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 static u32 mtd_erase_size;
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 static const char *vendor_mtd_name = "vnvm";
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 static struct mtd_nand_info nand_info;
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+static struct platform_device *g_pdev;
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 static int mtd_vendor_nand_write(void)
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 {
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@@ -419,6 +420,8 @@
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 	g_idb_buffer = NULL;
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 	ret = platform_driver_register(&vendor_storage_driver);
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+	if (ret)
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+		return ret;
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 	pdev = platform_device_register_simple("mtd_vendor_storage",
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 					       -1, NULL, 0);
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@@ -426,8 +429,17 @@
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 		platform_driver_unregister(&vendor_storage_driver);
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 		return PTR_ERR(pdev);
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 	}
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+	g_pdev = pdev;
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 	return ret;
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 }
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+static __exit void vendor_storage_deinit(void)
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+{
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+	platform_device_unregister(g_pdev);
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+	platform_driver_unregister(&vendor_storage_driver);
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+}
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+
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 device_initcall_sync(vendor_storage_init);
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+module_exit(vendor_storage_deinit);
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+MODULE_LICENSE("GPL");