diff mbox series

[8/9] ACPI: scan: Put SPCR and STAO table after using it

Message ID 1588842561-32907-9-git-send-email-guohanjun@huawei.com
State New
Headers show
Series ACPI: Call acpi_put_table() to release the ACPI table mappings | expand

Commit Message

Hanjun Guo May 7, 2020, 9:09 a.m. UTC 
The SPCR and STAO table needs to be released after
using it.

Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
---
 drivers/acpi/scan.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 6d34488..5287ab9 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -2157,10 +2157,13 @@  static void __init acpi_get_spcr_uart_addr(void)
 
 	status = acpi_get_table(ACPI_SIG_SPCR, 0,
 				(struct acpi_table_header **)&spcr_ptr);
-	if (ACPI_SUCCESS(status))
-		spcr_uart_addr = spcr_ptr->serial_port.address;
-	else
-		printk(KERN_WARNING PREFIX "STAO table present, but SPCR is missing\n");
+	if (ACPI_FAILURE(status)) {
+		pr_warn(PREFIX "STAO table present, but SPCR is missing\n");
+		return;
+	}
+
+	spcr_uart_addr = spcr_ptr->serial_port.address;
+	acpi_put_table((struct acpi_table_header *)spcr_ptr);
 }
 
 static bool acpi_scan_initialized;
@@ -2196,10 +2199,12 @@  int __init acpi_scan_init(void)
 				(struct acpi_table_header **)&stao_ptr);
 	if (ACPI_SUCCESS(status)) {
 		if (stao_ptr->header.length > sizeof(struct acpi_table_stao))
-			printk(KERN_INFO PREFIX "STAO Name List not yet supported.");
+			pr_info(PREFIX "STAO Name List not yet supported.\n");
 
 		if (stao_ptr->ignore_uart)
 			acpi_get_spcr_uart_addr();
+
+		acpi_put_table((struct acpi_table_header *)stao_ptr);
 	}
 
 	acpi_gpe_apply_masked_gpes();