All of lore.kernel.org
 help / color / mirror / Atom feed
From: Rob Herring <robh@kernel.org>
To: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc: Andy Gross <agross@kernel.org>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Krzysztof Kozlowski <krzk@kernel.org>,
	Jingoo Han <jingoohan1@gmail.com>,
	Gustavo Pimentel <gustavo.pimentel@synopsys.com>,
	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Stanimir Varbanov <svarbanov@mm-sol.com>,
	Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>,
	Johan Hovold <johan@kernel.org>, Vinod Koul <vkoul@kernel.org>,
	linux-arm-msm@vger.kernel.org, linux-pci@vger.kernel.org,
	devicetree@vger.kernel.org
Subject: Re: [PATCH v10 02/10] PCI: dwc: Propagate error from dma_mapping_error()
Date: Thu, 26 May 2022 13:01:40 -0500	[thread overview]
Message-ID: <20220526180140.GA54904-robh@kernel.org> (raw)
In-Reply-To: <20220513172622.2968887-3-dmitry.baryshkov@linaro.org>

On Fri, May 13, 2022 at 08:26:14PM +0300, Dmitry Baryshkov wrote:
> If dma mapping fails, dma_mapping_error() will return an error.
> Propagate it to the dw_pcie_host_init() return value rather than
> incorrectly returning 0 in this case.
> 
> Fixes: 07940c369a6b ("PCI: dwc: Fix MSI page leakage in suspend/resume")
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
> ---
>  drivers/pci/controller/dwc/pcie-designware-host.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)

There's already a similar fix applied.

> 
> diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c
> index 2fa86f32d964..a9a31e9e7b6e 100644
> --- a/drivers/pci/controller/dwc/pcie-designware-host.c
> +++ b/drivers/pci/controller/dwc/pcie-designware-host.c
> @@ -396,8 +396,9 @@ int dw_pcie_host_init(struct pcie_port *pp)
>  						      sizeof(pp->msi_msg),
>  						      DMA_FROM_DEVICE,
>  						      DMA_ATTR_SKIP_CPU_SYNC);
> -			if (dma_mapping_error(pci->dev, pp->msi_data)) {
> -				dev_err(pci->dev, "Failed to map MSI data\n");
> +			ret = dma_mapping_error(pci->dev, pp->msi_data);
> +			if (ret) {
> +				dev_err(pci->dev, "Failed to map MSI data: %d\n", ret);
>  				pp->msi_data = 0;
>  				goto err_free_msi;
>  			}
> -- 
> 2.35.1
> 

  parent reply	other threads:[~2022-05-26 18:01 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-13 17:26 [PATCH v10 00/10] PCI: qcom: Fix higher MSI vectors handling Dmitry Baryshkov
2022-05-13 17:26 ` [PATCH v10 01/10] PCI: qcom: Revert "PCI: qcom: Add support for handling MSIs from 8 endpoints" Dmitry Baryshkov
2022-05-13 17:26 ` [PATCH v10 02/10] PCI: dwc: Propagate error from dma_mapping_error() Dmitry Baryshkov
2022-05-18  9:30   ` Johan Hovold
2022-05-20 11:57     ` Dmitry Baryshkov
2022-05-26 18:01   ` Rob Herring [this message]
2022-05-13 17:26 ` [PATCH v10 03/10] PCI: dwc: Correct msi_irq condition in dw_pcie_free_msi() Dmitry Baryshkov
2022-05-13 17:26 ` [PATCH v10 04/10] PCI: dwc: Convert msi_irq to the array Dmitry Baryshkov
2022-05-13 17:26 ` [PATCH v10 05/10] PCI: dwc: split MSI IRQ parsing/allocation to a separate function Dmitry Baryshkov
2022-05-13 17:26 ` [PATCH v10 06/10] PCI: dwc: Handle MSIs routed to multiple GIC interrupts Dmitry Baryshkov
2022-05-18  9:43   ` Johan Hovold
2022-05-20 18:07     ` Dmitry Baryshkov
2022-05-13 17:26 ` [PATCH v10 07/10] PCI: dwc: Implement special ISR handler for split MSI IRQ setup Dmitry Baryshkov
2022-05-13 17:26 ` [PATCH v10 08/10] PCI: qcom: Handle MSIs routed to multiple GIC interrupts Dmitry Baryshkov
2022-05-18  9:52   ` Johan Hovold
2022-05-13 17:26 ` [PATCH v10 09/10] dt-bindings: PCI: qcom: Support additional MSI interrupts Dmitry Baryshkov
2022-05-13 17:26 ` [PATCH v10 10/10] arm64: dts: qcom: sm8250: provide " Dmitry Baryshkov
2022-05-18 10:03   ` Johan Hovold

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=20220526180140.GA54904-robh@kernel.org \
    --to=robh@kernel.org \
    --cc=agross@kernel.org \
    --cc=bhelgaas@google.com \
    --cc=bjorn.andersson@linaro.org \
    --cc=devicetree@vger.kernel.org \
    --cc=dmitry.baryshkov@linaro.org \
    --cc=gustavo.pimentel@synopsys.com \
    --cc=jingoohan1@gmail.com \
    --cc=johan@kernel.org \
    --cc=krzk@kernel.org \
    --cc=linux-arm-msm@vger.kernel.org \
    --cc=linux-pci@vger.kernel.org \
    --cc=lorenzo.pieralisi@arm.com \
    --cc=manivannan.sadhasivam@linaro.org \
    --cc=svarbanov@mm-sol.com \
    --cc=vkoul@kernel.org \
    /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.