From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198
---
kernel/drivers/char/tpm/eventlog/acpi.c | 18 ++++++++++++++----
1 files changed, 14 insertions(+), 4 deletions(-)
diff --git a/kernel/drivers/char/tpm/eventlog/acpi.c b/kernel/drivers/char/tpm/eventlog/acpi.c
index 1b18ce5..cd26602 100644
--- a/kernel/drivers/char/tpm/eventlog/acpi.c
+++ b/kernel/drivers/char/tpm/eventlog/acpi.c
@@ -90,16 +90,21 @@
return -ENODEV;
if (tbl->header.length <
- sizeof(*tbl) + sizeof(struct acpi_tpm2_phy))
+ sizeof(*tbl) + sizeof(struct acpi_tpm2_phy)) {
+ acpi_put_table((struct acpi_table_header *)tbl);
return -ENODEV;
+ }
tpm2_phy = (void *)tbl + sizeof(*tbl);
len = tpm2_phy->log_area_minimum_length;
start = tpm2_phy->log_area_start_address;
- if (!start || !len)
+ if (!start || !len) {
+ acpi_put_table((struct acpi_table_header *)tbl);
return -ENODEV;
+ }
+ acpi_put_table((struct acpi_table_header *)tbl);
format = EFI_TCG2_EVENT_LOG_FORMAT_TCG_2;
} else {
/* Find TCPA entry in RSDT (ACPI_LOGICAL_ADDRESSING) */
@@ -120,8 +125,10 @@
break;
}
+ acpi_put_table((struct acpi_table_header *)buff);
format = EFI_TCG2_EVENT_LOG_FORMAT_TCG_1_2;
}
+
if (!len) {
dev_warn(&chip->dev, "%s: TCPA log area empty\n", __func__);
return -EIO;
@@ -136,8 +143,12 @@
ret = -EIO;
virt = acpi_os_map_iomem(start, len);
- if (!virt)
+ if (!virt) {
+ dev_warn(&chip->dev, "%s: Failed to map ACPI memory\n", __func__);
+ /* try EFI log next */
+ ret = -ENODEV;
goto err;
+ }
memcpy_fromio(log->bios_event_log, virt, len);
@@ -156,5 +167,4 @@
kfree(log->bios_event_log);
log->bios_event_log = NULL;
return ret;
-
}
--
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