From: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
To: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Cc: linus.walleij@linaro.org, amurray@thegoodpenguin.co.uk,
bhelgaas@google.com, linux-pci@vger.kernel.org,
linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: Re: [PATCH] PCI: v3-semi: Fix a memory leak in some error handling paths in 'v3_pci_probe()'
Date: Tue, 5 May 2020 12:04:24 +0100 [thread overview]
Message-ID: <20200505110423.GC13446@e121166-lin.cambridge.arm.com> (raw)
In-Reply-To: <20200418081637.1585-1-christophe.jaillet@wanadoo.fr>
On Sat, Apr 18, 2020 at 10:16:37AM +0200, Christophe JAILLET wrote:
> IF we fails somewhere in 'v3_pci_probe()', we need to free 'host'.
> Use the managed version of 'pci_alloc_host_bridge()' to do that easily.
> The use of managed resources is already widely used in this driver.
>
> Fixes: 68a15eb7bd0c ("PCI: v3-semi: Add V3 Semiconductor PCI host driver")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
> ---
> Fixes could be older than this commit, but this is as far as git can go.
>
> There is also a 'clk_prepare_enable()' which looks un-ballanced. I don't
> know if it can be an issue.
>
> Compile tested only.
> ---
> drivers/pci/controller/pci-v3-semi.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Applied to pci/v3-semi, thanks !
Lorenzo
> diff --git a/drivers/pci/controller/pci-v3-semi.c b/drivers/pci/controller/pci-v3-semi.c
> index bd05221f5a22..ddcb4571a79b 100644
> --- a/drivers/pci/controller/pci-v3-semi.c
> +++ b/drivers/pci/controller/pci-v3-semi.c
> @@ -720,7 +720,7 @@ static int v3_pci_probe(struct platform_device *pdev)
> int irq;
> int ret;
>
> - host = pci_alloc_host_bridge(sizeof(*v3));
> + host = devm_pci_alloc_host_bridge(dev, sizeof(*v3));
> if (!host)
> return -ENOMEM;
>
> --
> 2.20.1
>
prev parent reply other threads:[~2020-05-05 11:04 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-18 8:16 [PATCH] PCI: v3-semi: Fix a memory leak in some error handling paths in 'v3_pci_probe()' Christophe JAILLET
2020-04-19 9:51 ` Linus Walleij
2020-05-05 11:04 ` Lorenzo Pieralisi [this message]
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