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71 lines
2.9 KiB
71 lines
2.9 KiB
From 139d725cb2b293443e7b0db263401b588373a7cb Mon Sep 17 00:00:00 2001
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From: Daan De Meyer <daan.j.demeyer@gmail.com>
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Date: Mon, 30 Jan 2023 21:15:12 +0100
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Subject: [PATCH] vmm: Add more const
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SMBIOS tables are immutable, so let's access it via const pointers
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where possible.
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(cherry picked from commit 761f62fe98cab82a3742bdae49f79626ede2ceaf)
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Related: RHEL-16952
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---
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src/boot/efi/vmm.c | 14 +++++++-------
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1 file changed, 7 insertions(+), 7 deletions(-)
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diff --git a/src/boot/efi/vmm.c b/src/boot/efi/vmm.c
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index 6bd440f032..6b684e1bf4 100644
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--- a/src/boot/efi/vmm.c
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+++ b/src/boot/efi/vmm.c
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@@ -201,17 +201,17 @@ typedef struct {
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uint8_t bios_characteristics_ext[2];
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} _packed_ SmbiosTableType0;
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-static void *find_smbios_configuration_table(uint64_t *ret_size) {
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+static const void *find_smbios_configuration_table(uint64_t *ret_size) {
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assert(ret_size);
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- Smbios3EntryPoint *entry3 = find_configuration_table(MAKE_GUID_PTR(SMBIOS3_TABLE));
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+ const Smbios3EntryPoint *entry3 = find_configuration_table(MAKE_GUID_PTR(SMBIOS3_TABLE));
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if (entry3 && memcmp(entry3->anchor_string, "_SM3_", 5) == 0 &&
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entry3->entry_point_length <= sizeof(*entry3)) {
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*ret_size = entry3->table_maximum_size;
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return PHYSICAL_ADDRESS_TO_POINTER(entry3->table_address);
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}
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- SmbiosEntryPoint *entry = find_configuration_table(MAKE_GUID_PTR(SMBIOS_TABLE));
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+ const SmbiosEntryPoint *entry = find_configuration_table(MAKE_GUID_PTR(SMBIOS_TABLE));
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if (entry && memcmp(entry->anchor_string, "_SM_", 4) == 0 &&
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entry->entry_point_length <= sizeof(*entry)) {
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*ret_size = entry->table_length;
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@@ -221,9 +221,9 @@ static void *find_smbios_configuration_table(uint64_t *ret_size) {
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return NULL;
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}
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-static SmbiosHeader *get_smbios_table(uint8_t type) {
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+static const SmbiosHeader *get_smbios_table(uint8_t type) {
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uint64_t size = 0;
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- uint8_t *p = find_smbios_configuration_table(&size);
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+ const uint8_t *p = find_smbios_configuration_table(&size);
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if (!p)
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return false;
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@@ -231,7 +231,7 @@ static SmbiosHeader *get_smbios_table(uint8_t type) {
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if (size < sizeof(SmbiosHeader))
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return NULL;
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- SmbiosHeader *header = (SmbiosHeader *) p;
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+ const SmbiosHeader *header = (const SmbiosHeader *) p;
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/* End of table. */
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if (header->type == 127)
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@@ -273,7 +273,7 @@ static SmbiosHeader *get_smbios_table(uint8_t type) {
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static bool smbios_in_hypervisor(void) {
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/* Look up BIOS Information (Type 0). */
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- SmbiosTableType0 *type0 = (SmbiosTableType0 *) get_smbios_table(0);
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+ const SmbiosTableType0 *type0 = (const SmbiosTableType0 *) get_smbios_table(0);
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if (!type0 || type0->header.length < sizeof(SmbiosTableType0))
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return false;
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