The function pci_msi_check_device() is called while enabling MSI or MSI-X interrupts to make sure the PCI device can support MSI or MSI-X capability. The patch removes the check on MSI or MSI-X capability in the function and lets the caller does the check. Signed-off-by: Gavin Shan <shangw@xxxxxxxxxxxxxxxxxx> --- drivers/pci/msi.c | 5 +---- 1 files changed, 1 insertions(+), 4 deletions(-) diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index 5fdc5d9..1ec1ba9 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -789,9 +789,6 @@ static int pci_msi_check_device(struct pci_dev *dev, int nvec, int type) if (ret) return ret; - if (!pci_find_capability(dev, type)) - return -EINVAL; - return 0; } @@ -942,7 +939,7 @@ int pci_enable_msix(struct pci_dev *dev, struct msix_entry *entries, int nvec) int status, nr_entries; int i, j; - if (!entries) + if (!entries || !dev->msix_cap) return -EINVAL; status = pci_msi_check_device(dev, nvec, PCI_CAP_ID_MSIX); -- 1.7.5.4 -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
