dmaengine: acpi: Put the CSRT table after using it

The acpi_get_table() should be coupled with acpi_put_table() if
the mapped table is not used at runtime to release the table
mapping, put the CSRT table buf after using it.

Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Link: https://lore.kernel.org/r/1595411661-15936-1-git-send-email-guohanjun@huawei.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/acpi-dma.c b/drivers/dma/acpi-dma.c
index 35f4804ea4afaa6ac90146b827c99edab7568783..235f1396f968606ddfee61110490de4e16463df4 100644 (file)
--- a/drivers/dma/acpi-dma.c
+++ b/drivers/dma/acpi-dma.c
@@ -135,11 +135,13 @@ static void acpi_dma_parse_csrt(struct acpi_device *adev, struct acpi_dma *adma)
                if (ret < 0) {
                        dev_warn(&adev->dev,
                                 "error in parsing resource group\n");
-                       return;
+                       break;
                }
 
                grp = (struct acpi_csrt_group *)((void *)grp + grp->length);
        }
+
+       acpi_put_table((struct acpi_table_header *)csrt);
 }
 
 /**