linux-kernel - Re: ERROR: drivers: net: ethernet: stmicro: stmmac: stmmac

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Date:   Fri, 13 May 2022 00:06:51 +0400
From:   Ozgur <ozgurk@...e.org>
To:     Test Bot <zgrieee@...il.com>, peppe.cavallaro@...com
Cc:     lkml <linux-kernel@...r.kernel.org>,
        "David S . Miller" <davem@...emloft.net>, linux@...linux.org.uk,
        linux-stm32@...md-mailman.stormreply.com, bpf@...r.kernel.org
Subject: Re: ERROR: drivers: net: ethernet: stmicro: stmmac: stmmac_main.c

On Thu, May 12, 2022 at 11:49 PM Test Bot <zgrieee@...il.com> wrote:
>
> Hi,

Hello,

its a bot and still in beta and looks like same warning as any other finding.

Looks like Linus e-mail Linus explained this warning and i wanted to
share e-mail.

https://lore.kernel.org/lkml/CAHk-=wh5E-xdc5P6SfN-ey6zvVri43rTj0g8kjUBWD3hhE-jiw@mail.gmail.com/

Regards

> I automatically test (RC) kernel and caught ERROR word.
> Please ignore, if its unimportant.
>
> Kernel: 5.18-rc6
> Arch: x86_64 (SMP)
> Compiler: 7.5.0 (gcc)
> FIle: drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
>
> Codebase Block:
>
> static int stmmac_request_irq_multi_msi(struct net_device *dev)
> {
>         struct stmmac_priv *priv = netdev_priv(dev);
>         enum request_irq_err irq_err;
>         cpumask_t cpu_mask;
>         int irq_idx = 0;
>         char *int_name;
>         int ret;
>         int i;
>
>         int_name = priv->int_name_mac;
>         sprintf(int_name, "%s:%s", dev->name, "mac");
>         ret = request_irq(dev->irq, stmmac_mac_interrupt,
>                           0, int_name, dev);
>
>         if (unlikely(ret < 0)) {
>                 netdev_err(priv->dev,
>                            "%s: alloc mac MSI %d (error: %d)\n",
>                            __func__, dev->irq, ret);
>                 irq_err = REQ_IRQ_ERR_MAC;
>                 goto irq_error;
>         }
>
>         if (priv->wol_irq > 0 && priv->wol_irq != dev->irq) {
>                 int_name = priv->int_name_wol;
>                 sprintf(int_name, "%s:%s", dev->name, "wol");
>                 ret = request_irq(priv->wol_irq,
>                                   stmmac_mac_interrupt,
>                                   0, int_name, dev);
>
>                 if (unlikely(ret < 0)) {
>                         netdev_err(priv->dev,
>                                    "%s: alloc wol MSI %d (error: %d)\n",
>                                    __func__, priv->wol_irq, ret);
>                         irq_err = REQ_IRQ_ERR_WOL;
>                         goto irq_error;
>                 }
>         }
>
> Compiler  Log:
>
> drivers/net/ethernet/stmicro/stmmac/stmmac_main.c: In function
> ‘stmmac_request_irq_multi_msi’:
> drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:3562:1: warning: the
> frame size of 1040 bytes is larger than 1024 bytes
> [-Wframe-larger-than=]