From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
To: Dan Carpenter <dan.carpenter@linaro.org>
Cc: "Kishon Vijay Abraham I" <kishon@kernel.org>,
"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
"Krzysztof Wilczyński" <kw@linux.com>,
"Rob Herring" <robh@kernel.org>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Niklas Cassel" <cassel@kernel.org>,
"Siddharth Vadapalli" <s-vadapalli@ti.com>,
"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
"Damien Le Moal" <dlemoal@kernel.org>,
"Yoshihiro Shimoda" <yoshihiro.shimoda.uh@renesas.com>,
"Aleksandr Mishin" <amishin@t-argos.ru>,
"Vignesh Raghavendra" <vigneshr@ti.com>,
"Jan Kiszka" <jan.kiszka@siemens.com>,
linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
kernel-janitors@vger.kernel.org
Subject: Re: [PATCH] PCI: keystone: Fix && vs || typo
Date: Sun, 21 Jul 2024 13:55:38 +0530 [thread overview]
Message-ID: <20240721082538.GH1908@thinkpad> (raw)
In-Reply-To: <1b762a93-e1b2-4af3-8c04-c8843905c279@stanley.mountain>
On Fri, Jul 19, 2024 at 06:53:26PM -0500, Dan Carpenter wrote:
> This code accidentally uses && where || was intended. It potentially
> results in a NULL dereference.
>
> Fixes: 86f271f22bbb ("PCI: keystone: Add workaround for Errata #i2037 (AM65x SR 1.0)")
> Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
- Mani
> ---
> drivers/pci/controller/dwc/pci-keystone.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c
> index 52c6420ae200..95a471d6a586 100644
> --- a/drivers/pci/controller/dwc/pci-keystone.c
> +++ b/drivers/pci/controller/dwc/pci-keystone.c
> @@ -577,7 +577,7 @@ static void ks_pcie_quirk(struct pci_dev *dev)
> */
> if (pci_match_id(am6_pci_devids, bridge)) {
> bridge_dev = pci_get_host_bridge_device(dev);
> - if (!bridge_dev && !bridge_dev->parent)
> + if (!bridge_dev || !bridge_dev->parent)
> return;
>
> ks_pcie = dev_get_drvdata(bridge_dev->parent);
> --
> 2.43.0
>
--
மணிவண்ணன் சதாசிவம்
next prev parent reply other threads:[~2024-07-21 8:25 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-19 23:53 [PATCH] PCI: keystone: Fix && vs || typo Dan Carpenter
2024-07-20 6:05 ` Siddharth Vadapalli
2024-07-21 8:25 ` Manivannan Sadhasivam [this message]
2024-08-13 20:23 ` Krzysztof Wilczyński
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20240721082538.GH1908@thinkpad \
--to=manivannan.sadhasivam@linaro.org \
--cc=amishin@t-argos.ru \
--cc=bhelgaas@google.com \
--cc=cassel@kernel.org \
--cc=dan.carpenter@linaro.org \
--cc=dlemoal@kernel.org \
--cc=jan.kiszka@siemens.com \
--cc=kernel-janitors@vger.kernel.org \
--cc=kishon@kernel.org \
--cc=kw@linux.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pci@vger.kernel.org \
--cc=lpieralisi@kernel.org \
--cc=robh@kernel.org \
--cc=s-vadapalli@ti.com \
--cc=u.kleine-koenig@pengutronix.de \
--cc=vigneshr@ti.com \
--cc=yoshihiro.shimoda.uh@renesas.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.