[PATCH] mtd: zero out mtd_partion struct before using it
Boris Brezillon
boris.brezillon at free-electrons.com
Thu Nov 12 00:52:19 PST 2015
On Wed, 11 Nov 2015 16:47:52 -0800
Brian Norris <computersforpeace at gmail.com> wrote:
> It's easier to guarantee we've cleared out all unused fields with
> memset() than by manually initializing each field.
>
> Signed-off-by: Brian Norris <computersforpeace at gmail.com>
Reviewed-by: Boris Brezillon <boris.brezillon at free-electrons.com>
> ---
> I hit this while testing out the added 'of_node' field:
>
> http://patchwork.ozlabs.org/patch/538838/
>
> drivers/mtd/mtdpart.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c
> index c2b6e967a160..3ace53342fd2 100644
> --- a/drivers/mtd/mtdpart.c
> +++ b/drivers/mtd/mtdpart.c
> @@ -597,11 +597,10 @@ int mtd_add_partition(struct mtd_info *master, const char *name,
> if (length <= 0)
> return -EINVAL;
>
> + memset(&part, 0, sizeof(part));
> part.name = name;
> part.size = length;
> part.offset = offset;
> - part.mask_flags = 0;
> - part.ecclayout = NULL;
>
> new = allocate_partition(master, &part, -1, offset);
> if (IS_ERR(new))
--
Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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