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From: Thierry Reding <thierry.reding@gmail.com>
To: Colin King <colin.king@canonical.com>
Cc: Vidya Sagar <vidyas@nvidia.com>,
	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Jonathan Hunter <jonathanh@nvidia.com>,
	linux-pci@vger.kernel.org, linux-tegra@vger.kernel.org,
	kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH][next] PCI: tegra: tegra194: fix phy_count less than zero check
Date: Wed, 21 Aug 2019 14:43:37 +0200	[thread overview]
Message-ID: <20190821124337.GB21839@ulmo> (raw)
In-Reply-To: <20190821120123.14223-1-colin.king@canonical.com>

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On Wed, Aug 21, 2019 at 01:01:23PM +0100, Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>
> 
> The check for pcie->phy_count < 0 is always false because phy_count
> is an unsigned int and can never be less than zero. Fix this by
> assigning ret to the return from of_property_count_strings and
> checking if this is less than zero instead.
> 
> Addresses-Coverity: ("Dead code")
> Fixes: 6404441c8e13 ("PCI: tegra: Add Tegra194 PCIe support")
> Signed-off-by: Colin Ian King <colin.king@canonical.com>
> ---
>  drivers/pci/controller/dwc/pcie-tegra194.c | 9 +++++----
>  1 file changed, 5 insertions(+), 4 deletions(-)

Good catch!

Acked-by: Thierry Reding <treding@nvidia.com>

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  reply	other threads:[~2019-08-21 12:43 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-21 12:01 [PATCH][next] PCI: tegra: tegra194: fix phy_count less than zero check Colin King
2019-08-21 12:43 ` Thierry Reding [this message]
2019-08-21 14:05 ` Lorenzo Pieralisi
2019-08-21 15:01   ` Vidya Sagar

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