From: Mark Brown <broonie@kernel.org>
To: Li Ningke <lnk_01@hust.edu.cn>
Cc: hust-os-kernel-patches@googlegroups.com,
Dongliang Mu <dzm91@hust.edu.cn>,
linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] spi: davinci: Remove dead code in `davinci_spi_probe()`
Date: Mon, 24 Apr 2023 12:48:19 +0100 [thread overview]
Message-ID: <d29c4b3e-9e82-4ea9-9f0c-a8e2c7637eb9@sirena.org.uk> (raw)
In-Reply-To: <20230423032446.34347-1-lnk_01@hust.edu.cn>
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On Sun, Apr 23, 2023 at 03:24:46AM +0000, Li Ningke wrote:
> Smatch complains that
> drivers/spi/spi-davinci.c:915 davinci_spi_probe() warn:
> platform_get_irq() does not return zero
>
> There is no need to check whether the return value is zero as
> `platform_get_irq()` only returns non-zero IRQ number on success
> or negative error number on failure, removing them to solve this
> problem.
Is that check valid? 0 was a valid interrupt for some architectures...
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next prev parent reply other threads:[~2023-04-24 11:48 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-23 3:24 Li Ningke
2023-04-24 11:48 ` Mark Brown [this message]
2023-04-24 12:03 ` Dongliang Mu
2023-04-24 15:52 ` Mark Brown
2023-04-26 1:50 ` Dongliang Mu
2023-04-26 14:13 ` Mark Brown
2023-04-26 15:07 ` Dongliang Mu
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