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x86: vmware: look for DMI string in the product serial key

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Impact: Should permit VMware detection on older platforms where the
vendor is changed.  Could theoretically cause a regression if some
weird serial number scheme contains the string "VMware" by pure
chance.  Seems unlikely, especially with the mixed case.

In some user configured cases, VMware may choose not to put a VMware specific
DMI string, but the product serial key is always there and is VMware specific.
Add a interface to check the serial key, when checking for VMware in the DMI
information.

Signed-off-by: Alok N Kataria <akataria@vmware.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
Alok Kataria
2008-11-03 15:50:38 -08:00
committed by H. Peter Anvin
parent 6bdbfe9991
commit fd8cd7e191
3 changed files with 19 additions and 1 deletions
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11
drivers/firmware/dmi_scan.c
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@@ -467,6 +467,17 @@ const char *dmi_get_system_info(int field)
}
EXPORT_SYMBOL(dmi_get_system_info);
/**
* dmi_name_in_serial - Check if string is in the DMI product serial
* information.
*/
int dmi_name_in_serial(const char *str)
{
int f = DMI_PRODUCT_SERIAL;
if (dmi_ident[f] && strstr(dmi_ident[f], str))
return 1;
return 0;
}
/**
* dmi_name_in_vendors - Check if string is anywhere in the DMI vendor information.