Convert the code to use the new guard(msi_descs_lock).
No functional change intended.
Signed-off-by: Thomas Gleixner <t...@linutronix.de>
Reviewed-by: Jonathan Cameron <jonathan.came...@huawei.com>
Reviewed-by: Michael Kelley <mhkli...@outlook.com>
Acked-by: Wei Liu <wei....@kernel.org>
Acked-by: Bjorn Helgaas <bhelg...@google.com>
Cc: Haiyang Zhang <haiya...@microsoft.com>
Cc: linux-hyperv@vger.kernel.org
Cc: linux-...@vger.kernel.org
---
drivers/pci/controller/pci-hyperv.c | 14 ++++----------
1 file changed, 4 insertions(+), 10 deletions(-)
--- 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
{
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;
}
/*
