Commit 980f481d authored Nov 01, 2017 by Mario Limonciello Committed by Darren Hart (VMware) Nov 03, 2017

platform/x86: dell-smbios: only run if proper oem string is detected



The proper way to indicate that a system is a 'supported' Dell System
is by the presence of this string in OEM strings.

Allowing the driver to load on non-Dell systems will have undefined
results.

Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Reviewed-by: Edward O'Callaghan <quasisec@google.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>

parent f97e058c

drivers/platform/x86/dell-smbios.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -172,8 +172,15 @@ static void __init find_tokens(const struct dmi_header dm, void dummy)

		static int __init dell_smbios_init(void)
		{
		const struct dmi_device *valid;
		int ret;

		valid = dmi_find_device(DMI_DEV_TYPE_OEM_STRING, "Dell System", NULL);
		if (!valid) {
		pr_err("Unable to run on non-Dell system\n");
		return -ENODEV;
		}

		dmi_walk(find_tokens, NULL);

		if (!da_tokens) {