linux-kernel - [PATCH] PCI/portdrv: Use ENOSPC instead of EIO

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Date:   Wed, 23 Nov 2022 14:45:02 +0800
From:   Angus Chen <angus.chen@...uarmicro.com>
To:     bhelgaas@...gle.com, sr@...x.de, pali@...nel.org
Cc:     linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
        Angus Chen <angus.chen@...uarmicro.com>
Subject: [PATCH] PCI/portdrv: Use ENOSPC instead of EIO

If pcie_message_numbers can't provide the vector cap
which pme&aer&dpc requested,it should be return ENOSPC for better.

No functional change intended.

Signed-off-by: Angus Chen <angus.chen@...uarmicro.com>
---
 drivers/pci/pcie/portdrv_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c
index 1ac7fec47d6f..473a70210313 100644
--- a/drivers/pci/pcie/portdrv_core.c
+++ b/drivers/pci/pcie/portdrv_core.c
@@ -113,7 +113,7 @@ static int pcie_port_enable_irq_vec(struct pci_dev *dev, int *irqs, int mask)
 	nvec = pcie_message_numbers(dev, mask, &pme, &aer, &dpc);
 	if (nvec > nr_entries) {
 		pci_free_irq_vectors(dev);
-		return -EIO;
+		return -ENOSPC;
 	}
 
 	/*
-- 
2.25.1