979fe44af8
The value of ipl_cert_list_addr boot variable contains a physical address, which is used directly. That works because virtual and physical address spaces are currently the same, but otherwise it is wrong. While at it, fix also a comment for the platform keyring. Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com> Reviewed-by: Mimi Zohar <zohar@linux.ibm.com> Acked-by: Jarkko Sakkinen <jarkko@kernel.org> Link: https://lore.kernel.org/r/20230816132942.2540411-1-agordeev@linux.ibm.com Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
37 lines
860 B
C
37 lines
860 B
C
// SPDX-License-Identifier: GPL-2.0
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#include <linux/kernel.h>
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#include <linux/sched.h>
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#include <linux/cred.h>
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#include <linux/err.h>
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#include <linux/efi.h>
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#include <linux/slab.h>
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#include <keys/asymmetric-type.h>
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#include <keys/system_keyring.h>
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#include <asm/boot_data.h>
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#include "../integrity.h"
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/*
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* Load the certs contained in the IPL report created by the machine loader
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* into the platform trusted keyring.
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*/
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static int __init load_ipl_certs(void)
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{
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void *ptr, *end;
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unsigned int len;
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if (!ipl_cert_list_addr)
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return 0;
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/* Copy the certificates to the platform keyring */
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ptr = __va(ipl_cert_list_addr);
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end = ptr + ipl_cert_list_size;
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while ((void *) ptr < end) {
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len = *(unsigned int *) ptr;
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ptr += sizeof(unsigned int);
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add_to_platform_keyring("IPL:db", ptr, len);
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ptr += len;
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}
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return 0;
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}
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late_initcall(load_ipl_certs);
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