Re: [PATCH 2/2] of/resolver: Replace kmalloc + memcpy with kmemdup()

From: Frank Rowand
Date: Fri Oct 13 2017 - 18:33:31 EST


On 10/13/17 00:35, Stephen Boyd wrote:
> Save one line.
>
> Signed-off-by: Stephen Boyd <stephen.boyd@xxxxxxxxxx>
> ---
> drivers/of/resolver.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/of/resolver.c b/drivers/of/resolver.c
> index 2d58253bf2f7..bd21a66f6930 100644
> --- a/drivers/of/resolver.c
> +++ b/drivers/of/resolver.c
> @@ -84,10 +84,9 @@ static int update_usages_of_a_phandle_reference(struct device_node *overlay,
> int offset, len;
> int err = 0;
>
> - value = kmalloc(prop_fixup->length, GFP_KERNEL);
> + value = kmemdup(prop_fixup->value, prop_fixup->length, GFP_KERNEL);
> if (!value)
> return -ENOMEM;
> - memcpy(value, prop_fixup->value, prop_fixup->length);
>
> /* prop_fixup contains a list of tuples of path:property_name:offset */
> end = value + prop_fixup->length;
>

Reviewed-by: Frank Rowand <frowand.list@xxxxxxxxx>