Commit 444bf09f authored Jul 22, 2020 by Hanjun Guo Committed by Greg Kroah-Hartman Sep 17, 2020

dmaengine: acpi: Put the CSRT table after using it



[ Upstream commit 7eb48dd094de5fe0e216b550e73aa85257903973 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>

parent 89c4339c

drivers/dma/acpi-dma.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -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);
		}

		/**