From: Hanjun Guo guohanjun@huawei.com
[ 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... Signed-off-by: Vinod Koul vkoul@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/dma/acpi-dma.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/dma/acpi-dma.c b/drivers/dma/acpi-dma.c index 8a05db3343d39..dcbcb712de6e8 100644 --- 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); }
/**