From: Matthew Brost <matthew.brost@intel.com>
To: "Dr. David Alan Gilbert" <dave@treblig.org>
Cc: <mgreer@animalcreek.com>, <krzysztof.kozlowski@linaro.org>,
<linux-kernel@vger.kernel.org>, <airlied@gmail.com>,
<intel-gfx@lists.freedesktop.org>
Subject: Re: ERR_PTR(0) in a couple of places
Date: Mon, 25 Sep 2023 04:18:46 +0000 [thread overview]
Message-ID: <ZREKJpfMx7ZEcw3n@DUT025-TGLU.fm.intel.com> (raw)
In-Reply-To: <ZQ+Fo9WKyGphwI8R@gallifrey>
On Sun, Sep 24, 2023 at 12:41:07AM +0000, Dr. David Alan Gilbert wrote:
> Hi,
> I randomly noticed there are a couple of places in the kernel that
> do
> ERR_PTR(0);
>
> and thought that was odd - shouldn't those just be NULL's ?
>
> 1) i915
> drivers/gpu/drm/i915/gt/uc/selftest_guc_multi_lrc.c : 47
>
> if (i <= 1)
> return ERR_PTR(0);
Yes, s/ERR_PTR(0)/ERR_PTR(NULL)/
Matt
>
> from f9d72092cb490
>
> 2) trf7970a
> drivers/nfc/trf7970a.c : 896
>
> trf->ignore_timeout =
> !cancel_delayed_work(&trf->timeout_work);
> trf->rx_skb = ERR_PTR(0);
> trf7970a_send_upstream(trf);
>
> from 1961843ceeca0
>
> Dave
> --
> -----Open up your eyes, open up your mind, open up your code -------
> / Dr. David Alan Gilbert | Running GNU/Linux | Happy \
> \ dave @ treblig.org | | In Hex /
> \ _________________________|_____ http://www.treblig.org |_______/
next prev parent reply other threads:[~2023-09-25 4:20 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-24 0:41 Dr. David Alan Gilbert
2023-09-24 11:41 ` Krzysztof Kozlowski
2023-09-24 12:16 ` Dr. David Alan Gilbert
2023-09-25 4:18 ` Matthew Brost [this message]
2023-09-25 4:25 ` Randy Dunlap
2023-09-25 15:09 ` [Intel-gfx] " Jani Nikula
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