From 50410bad27146d03dcccbc337088550399e687c7 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Thu, 13 Mar 2025 14:03:46 +0100 Subject: [PATCH] PCI: hv: Switch MSI descriptor locking to guard() Convert the code to use the new guard(msi_descs_lock). No functional change intended. Signed-off-by: Thomas Gleixner Reviewed-by: Jonathan Cameron Reviewed-by: Michael Kelley Acked-by: Wei Liu Acked-by: Bjorn Helgaas Link: https://lore.kernel.org/all/20250313130321.758905320@linutronix.de --- drivers/pci/controller/pci-hyperv.c | 14 ++++---------- 1 file changed, 4 insertions(+), 10 deletions(-) diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c index 6084b38bdda17..715446fd26a51 100644 --- a/drivers/pci/controller/pci-hyperv.c +++ b/drivers/pci/controller/pci-hyperv.c @@ -3976,24 +3976,18 @@ 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; } /*