Re: [PATCH 08/12] PCI/CMA: Authenticate devices on enumeration

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On Thu, Sep 28, 2023 at 07:32:38PM +0200, Lukas Wunner wrote:
> From: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
> 
> Component Measurement and Authentication (CMA, PCIe r6.1 sec 6.31)
> allows for measurement and authentication of PCIe devices.  It is
> based on the Security Protocol and Data Model specification (SPDM,
> https://www.dmtf.org/dsp/DSP0274).

> +#define dev_fmt(fmt) "CMA: " fmt

> +void pci_cma_init(struct pci_dev *pdev)
> +{
> +	struct pci_doe_mb *doe;
> +	int rc;
> +
> +	if (!pci_cma_keyring) {
> +		return;
> +	}

Jonathan mentioned the extra brackets below; here's another.

> +	if (!pdev->spdm_state) {
> +		return;
> +	}

> +	if (IS_ERR(pci_cma_keyring)) {
> +		pr_err("Could not allocate keyring\n");

There's a #define dev_fmt(fmt) above, but I don't think it's used in
this patch.  I think this would need something like:

  #define pr_fmt(fmt) "PCI: CMA: " fmt



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