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

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Bob?

On 02/04/2012 08:12 PM, 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);
>  			}
>  


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