Re: [PATCH] ACPI, psargs: Fix small mem leaks on error paths

From: Jesper Juhl
Date: Mon Mar 19 2012 - 18:12:24 EST


Ping?

On Sun, 5 Feb 2012, Jesper Juhl wrote:

> As far as I can see, there are two small mem leaks in error paths of
> 'acpi_ps_get_next_field()' where we neglect to free the memory
> previously allocated to 'field'.
>
> I believe this patch should fix the leaks.
>
> Signed-off-by: Jesper Juhl <jj@xxxxxxxxxxxxx>
> ---
> drivers/acpi/acpica/psargs.c | 2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)
>
> Note: Compile tested only.
>
> diff --git a/drivers/acpi/acpica/psargs.c b/drivers/acpi/acpica/psargs.c
> index 5ac36ab..a683d66 100644
> --- a/drivers/acpi/acpica/psargs.c
> +++ b/drivers/acpi/acpica/psargs.c
> @@ -618,6 +618,7 @@ static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state
>
> arg = acpi_ps_alloc_op(AML_INT_BYTELIST_OP);
> if (!arg) {
> + acpi_ps_free_op(field);
> return_PTR(NULL);
> }
>
> @@ -662,6 +663,7 @@ static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state
> } else {
> arg = acpi_ps_alloc_op(AML_INT_NAMEPATH_OP);
> if (!arg) {
> + acpi_ps_free_op(field);
> return_PTR(NULL);
> }
>
>

--
Jesper Juhl <jj@xxxxxxxxxxxxx> http://www.chaosbits.net/
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