netdev - Re: [wpan-next v2 6/9] net: ieee802154: Use the IEEE802154_MAX

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Message-ID: <CAB_54W5DfNa8QSTiejL=1ywEShkK07bwvJeHkhcVowLtOtZrUw@mail.gmail.com>
Date:   Sun, 23 Jan 2022 15:44:59 -0500
From:   Alexander Aring <alex.aring@...il.com>
To:     Miquel Raynal <miquel.raynal@...tlin.com>
Cc:     Stefan Schmidt <stefan@...enfreihafen.org>,
        linux-wpan - ML <linux-wpan@...r.kernel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        "open list:NETWORKING [GENERAL]" <netdev@...r.kernel.org>,
        Xue Liu <liuxuenetmail@...il.com>,
        Marcel Holtmann <marcel@...tmann.org>,
        Harry Morris <harrymorris12@...il.com>,
        David Girault <david.girault@...vo.com>,
        Romuald Despres <romuald.despres@...vo.com>,
        Frederic Blain <frederic.blain@...vo.com>,
        Nicolas Schodet <nico@...fr.eu.org>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: Re: [wpan-next v2 6/9] net: ieee802154: Use the IEEE802154_MAX_PAGE
 define when relevant

Hi,

On Thu, 20 Jan 2022 at 06:21, Miquel Raynal <miquel.raynal@...tlin.com> wrote:
>
> This define already exist but is hardcoded in nl-phy.c. Use the
> definition when relevant.
>
> Signed-off-by: Miquel Raynal <miquel.raynal@...tlin.com>
> ---
>  net/ieee802154/nl-phy.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/net/ieee802154/nl-phy.c b/net/ieee802154/nl-phy.c
> index dd5a45f8a78a..02f6a53d0faa 100644
> --- a/net/ieee802154/nl-phy.c
> +++ b/net/ieee802154/nl-phy.c
> @@ -30,7 +30,8 @@ static int ieee802154_nl_fill_phy(struct sk_buff *msg, u32 portid,
>  {
>         void *hdr;
>         int i, pages = 0;
> -       uint32_t *buf = kcalloc(32, sizeof(uint32_t), GFP_KERNEL);
> +       uint32_t *buf = kcalloc(IEEE802154_MAX_PAGE + 1, sizeof(uint32_t),
> +                               GFP_KERNEL);
>
>         pr_debug("%s\n", __func__);
>
> @@ -47,7 +48,7 @@ static int ieee802154_nl_fill_phy(struct sk_buff *msg, u32 portid,
>             nla_put_u8(msg, IEEE802154_ATTR_PAGE, phy->current_page) ||
>             nla_put_u8(msg, IEEE802154_ATTR_CHANNEL, phy->current_channel))
>                 goto nla_put_failure;
> -       for (i = 0; i < 32; i++) {
> +       for (i = 0; i <= IEEE802154_MAX_PAGE; i++) {
>                 if (phy->supported.channels[i])
>                         buf[pages++] = phy->supported.channels[i] | (i << 27);
>         }

Where is the fix here?

- Alex