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[PATCH] i386: Enforce GPLness of VMI ROM

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VMI ROMs are pretty intimate to the kernel, so enforce their GPLness.

No \0 tricks checking for now

This rules out BSD/MIT modules for now, sorry -- the trouble is those
could come without source.

Acked-by: Zachary Amsden <zach@vmware.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andi Kleen <ak@suse.de>
This commit is contained in:
Andi Kleen 2007-03-16 21:07:36 +01:00 committed by Andi Kleen
parent a9bc3bfd12
commit 302cf930cb
1 changed files with 8 additions and 9 deletions
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17
arch/i386/kernel/vmi.c
View file

@ -23,7 +23,6 @@
*/
#include <linux/module.h>
#include <linux/license.h>
#include <linux/cpu.h>
#include <linux/bootmem.h>
#include <linux/mm.h>
@ -48,7 +47,6 @@ typedef u64 __attribute__((regparm(2))) (VROMLONGFUNC)(int);
(((VROMLONGFUNC *)(rom->func)) (arg))
static struct vrom_header *vmi_rom;
static int license_gplok;
static int disable_pge;
static int disable_pse;
static int disable_sep;
@ -629,13 +627,14 @@ static inline int __init check_vmi_rom(struct vrom_header *rom)
rom->api_version_maj, rom->api_version_min,
pci->rom_version_maj, pci->rom_version_min);
license_gplok = license_is_gpl_compatible(license);
if (!license_gplok) {
printk(KERN_WARNING "VMI: ROM license '%s' taints kernel... "
"inlining disabled\n",
license);
add_taint(TAINT_PROPRIETARY_MODULE);
}
/* Don't allow BSD/MIT here for now because we don't want to end up
with any binary only shim layers */
if (strcmp(license, "GPL") && strcmp(license, "GPL v2")) {
printk(KERN_WARNING "VMI: Non GPL license `%s' found for ROM. Not used.\n",
license);
return 0;
}
return 1;
}