Re: [PATCH] video: fbdev: via: remove VLA usage

From: Eric Engestrom
Date: Fri Mar 09 2018 - 05:59:47 EST


On Thursday, 2018-03-08 11:39:49 -0600, Gustavo A. R. Silva wrote:
> In preparation to enabling -Wvla, remove VLA usage.
>
> Also, fixed as part of the directive to remove all VLAs from
> the kernel: https://lkml.org/lkml/2018/3/7/621
>
> Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>

Sorry for my reply on v1, I missed that Emil already replied to another
post of the same patch (side note on that, making use of `-vX` and
`--in-reply-to` helps track the evolution of patches)

This looks good to me:
Reviewed-by: Eric Engestrom <eric.engestrom@xxxxxxxxxx>

> ---
> drivers/video/fbdev/via/via_aux_sii164.c | 2 +-
> drivers/video/fbdev/via/via_aux_vt1631.c | 2 +-
> drivers/video/fbdev/via/via_aux_vt1632.c | 2 +-
> drivers/video/fbdev/via/via_aux_vt1636.c | 2 +-
> 4 files changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/video/fbdev/via/via_aux_sii164.c b/drivers/video/fbdev/via/via_aux_sii164.c
> index ca1b35f..c27f62c 100644
> --- a/drivers/video/fbdev/via/via_aux_sii164.c
> +++ b/drivers/video/fbdev/via/via_aux_sii164.c
> @@ -36,7 +36,7 @@ static void probe(struct via_aux_bus *bus, u8 addr)
> .name = name};
> /* check vendor id and device id */
> const u8 id[] = {0x01, 0x00, 0x06, 0x00}, len = ARRAY_SIZE(id);
> - u8 tmp[len];
> + u8 tmp[ARRAY_SIZE(id)];
>
> if (!via_aux_read(&drv, 0x00, tmp, len) || memcmp(id, tmp, len))
> return;
> diff --git a/drivers/video/fbdev/via/via_aux_vt1631.c b/drivers/video/fbdev/via/via_aux_vt1631.c
> index 06e742f..32978a0 100644
> --- a/drivers/video/fbdev/via/via_aux_vt1631.c
> +++ b/drivers/video/fbdev/via/via_aux_vt1631.c
> @@ -36,7 +36,7 @@ void via_aux_vt1631_probe(struct via_aux_bus *bus)
> .name = name};
> /* check vendor id and device id */
> const u8 id[] = {0x06, 0x11, 0x91, 0x31}, len = ARRAY_SIZE(id);
> - u8 tmp[len];
> + u8 tmp[ARRAY_SIZE(id)];
>
> if (!via_aux_read(&drv, 0x00, tmp, len) || memcmp(id, tmp, len))
> return;
> diff --git a/drivers/video/fbdev/via/via_aux_vt1632.c b/drivers/video/fbdev/via/via_aux_vt1632.c
> index d24f4cd..cec8cc4 100644
> --- a/drivers/video/fbdev/via/via_aux_vt1632.c
> +++ b/drivers/video/fbdev/via/via_aux_vt1632.c
> @@ -36,7 +36,7 @@ static void probe(struct via_aux_bus *bus, u8 addr)
> .name = name};
> /* check vendor id and device id */
> const u8 id[] = {0x06, 0x11, 0x92, 0x31}, len = ARRAY_SIZE(id);
> - u8 tmp[len];
> + u8 tmp[ARRAY_SIZE(id)];
>
> if (!via_aux_read(&drv, 0x00, tmp, len) || memcmp(id, tmp, len))
> return;
> diff --git a/drivers/video/fbdev/via/via_aux_vt1636.c b/drivers/video/fbdev/via/via_aux_vt1636.c
> index 9e015c1..2b10bc2 100644
> --- a/drivers/video/fbdev/via/via_aux_vt1636.c
> +++ b/drivers/video/fbdev/via/via_aux_vt1636.c
> @@ -36,7 +36,7 @@ void via_aux_vt1636_probe(struct via_aux_bus *bus)
> .name = name};
> /* check vendor id and device id */
> const u8 id[] = {0x06, 0x11, 0x45, 0x33}, len = ARRAY_SIZE(id);
> - u8 tmp[len];
> + u8 tmp[ARRAY_SIZE(id)];
>
> if (!via_aux_read(&drv, 0x00, tmp, len) || memcmp(id, tmp, len))
> return;
> --
> 2.7.4
>
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