From de40614de997a388499f9a01d5eeb7cd8d3c34d1 Mon Sep 17 00:00:00 2001 From: Alex Hung Date: Fri, 13 Apr 2018 15:37:59 +0200 Subject: firmware: dmi_scan: Add DMI_OEM_STRING support to dmi_matches OEM strings are defined by each OEM and they contain customized and useful OEM information. Supporting it provides more flexible uses of the dmi_matches function. Signed-off-by: Alex Hung Signed-off-by: Jean Delvare --- drivers/firmware/dmi_scan.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) (limited to 'drivers/firmware') diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c index c3be8ef9243f..2c915a847158 100644 --- a/drivers/firmware/dmi_scan.c +++ b/drivers/firmware/dmi_scan.c @@ -775,7 +775,15 @@ static bool dmi_matches(const struct dmi_system_id *dmi) int s = dmi->matches[i].slot; if (s == DMI_NONE) break; - if (dmi_ident[s]) { + if (s == DMI_OEM_STRING) { + /* DMI_OEM_STRING must be exact match */ + const struct dmi_device *valid; + + valid = dmi_find_device(DMI_DEV_TYPE_OEM_STRING, + dmi->matches[i].substr, NULL); + if (valid) + continue; + } else if (dmi_ident[s]) { if (dmi->matches[i].exact_match) { if (!strcmp(dmi_ident[s], dmi->matches[i].substr)) -- cgit v1.2.3