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PCI: hv: Switch MSI descriptor locking to guard()

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Convert the code to use the new guard(msi_descs_lock).

No functional change intended.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Acked-by: Wei Liu <wei.liu@kernel.org>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://lore.kernel.org/all/20250319105506.624838146@linutronix.de
This commit is contained in:
Thomas Gleixner 2025-03-19 11:56:55 +01:00
parent 891146645e
commit 6552e90e2a
1 changed files with 4 additions and 10 deletions
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14
drivers/pci/controller/pci-hyperv.c
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@ -3975,24 +3975,18 @@ static int hv_pci_restore_msi_msg(struct pci_dev *pdev, void *arg)
{
struct irq_data *irq_data;
struct msi_desc *entry;
int ret = 0;
if (!pdev->msi_enabled && !pdev->msix_enabled)
return 0;
msi_lock_descs(&pdev->dev);
guard(msi_descs_lock)(&pdev->dev);
msi_for_each_desc(entry, &pdev->dev, MSI_DESC_ASSOCIATED) {
irq_data = irq_get_irq_data(entry->irq);
if (WARN_ON_ONCE(!irq_data)) {
ret = -EINVAL;
break;
}
if (WARN_ON_ONCE(!irq_data))
return -EINVAL;
hv_compose_msi_msg(irq_data, &entry->msg);
}
msi_unlock_descs(&pdev->dev);
return ret;
return 0;
}
/*