Re: [PATCH] ACPI: tables: fixes the missed acpi_put_table() in acpi_init_fpdt()

Zhang Rui
2021-06-02T07:28:12Z

Hi, Xiangfeng,

thanks for the patch.

On Wed, 2021-06-02 at 09:17 +0800, Jing Xiangfeng wrote:
> acpi_init_fpdt() misses to call acpi_put_table() in an error path.
> Add
> the missed function call to fix it.
>
> Fixes: d1eb86e59be0 ("ACPI: tables: introduce support for FPDT
> table")
> Signed-off-by: Jing Xiangfeng <jingxiangfeng@huawei.com>

Acked-by: Zhang Rui <rui.zhang@intel.com>

thanks,
rui
> ---
> drivers/acpi/acpi_fpdt.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/acpi/acpi_fpdt.c b/drivers/acpi/acpi_fpdt.c
> index a89a806a7a2a..4ee2ad234e3d 100644
> --- a/drivers/acpi/acpi_fpdt.c
> +++ b/drivers/acpi/acpi_fpdt.c
> @@ -240,8 +240,10 @@ static int __init acpi_init_fpdt(void)
> return 0;
>
> fpdt_kobj = kobject_create_and_add("fpdt", acpi_kobj);
> - if (!fpdt_kobj)
> + if (!fpdt_kobj) {
> + acpi_put_table(header);
> return -ENOMEM;
> + }
>
> while (offset < header->length) {
> subtable = (void *)header + offset;