linux-kernel - Re: [PATCH] isa: Prevent NULL dereference in isa

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Message-ID: <CA+55aFw5B5RTdtwkhLuuRq3DpuSDZ6dYPHdB+Frr90OeEnB8Yg@mail.gmail.com>
Date:   Wed, 8 Nov 2017 09:11:22 -0800
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     William Breathitt Gray <vilhelm.gray@...il.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Wu Fengguang <fengguang.wu@...el.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] isa: Prevent NULL dereference in isa_bus driver callbacks

On Wed, Nov 8, 2017 at 7:23 AM, William Breathitt Gray
<vilhelm.gray@...il.com> wrote:
>
> This patch fixes a possible NULL pointer dereference if one of the
> isa_driver callbacks to attempted for an unsupported device. This error
> should not occur in practice since ISA devices are typically manually
> configured and loaded by the users, but we may as well prevent this
> error from popping up for the 0day testers.

Thanks. Acked-by: Linus Torvalds <torvalds@...ux-foundation.org>

And it doesn't seem critical enough for me to take directly this late
in the 4.14 game, so I guess I'll get it from the usual channels.

          Linus