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dmaengine: acpi: Put the CSRT table after using it 

[ Upstream commit 7eb48dd094 ]

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>
5.4-rM2-2.2.x-imx-squashed
Hanjun Guo 2020-07-22 17:54:21 +08:00 committed by Greg Kroah-Hartman
parent 89c4339c4d
commit 444bf09f2b
1 changed files with 3 additions and 1 deletions
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4
drivers/dma/acpi-dma.c
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@ -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);
}
/**