The acpi_get_table() should be coupled with acpi_put_table() if
the mapped table is not used for runtime to release the table
mapping, put the TCPA table buf after using it.
Signed-off-by: Hanjun Guo <guohanjun@xxxxxxxxxx>
---
drivers/char/tpm/eventlog/acpi.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/char/tpm/eventlog/acpi.c b/drivers/char/tpm/eventlog/acpi.c
index 63ada5e..e8ac30b 100644
--- a/drivers/char/tpm/eventlog/acpi.c
+++ b/drivers/char/tpm/eventlog/acpi.c
@@ -79,6 +79,9 @@ int tpm_read_log_acpi(struct tpm_chip *chip)
start = buff->client.log_start_addr;
break;
}
+
+ acpi_put_table((struct acpi_table_header *)buff);
+
if (!len) {
dev_warn(&chip->dev, "%s: TCPA log area empty\n", __func__);
return -EIO;
--
1.7.12.4
