linux-kernel - Re: [PATCH] net: phy: Fix truncation of large IRQ numbers in phy_attached

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Message-ID: <20170921154014.GI27589@lunn.ch>
Date:   Thu, 21 Sep 2017 17:40:14 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Geert Uytterhoeven <geert+renesas@...der.be>
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        "David S . Miller" <davem@...emloft.net>,
        Romain Perier <romain.perier@...labora.com>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: phy: Fix truncation of large IRQ numbers in
 phy_attached_print()

On Thu, Sep 21, 2017 at 01:27:02PM +0200, Geert Uytterhoeven wrote:
> Given NR_IRQS is 2048 on sparc64, and even 32784 on alpha, 3 digits is
> not enough to represent interrupt numbers on all architectures.  Hence
> PHY interrupt numbers may be truncated during printing.
> 
> Increase the buffer size from 4 to 8 bytes to fix this.
> 
> Fixes: 5e369aefdce4818c ("net: stmmac: Delete dead code for MDIO registration")
> Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew