From 9739047380a4a1a9f3eba4deea2f5978703b4ecb Mon Sep 17 00:00:00 2001 From: Alexander Gordeev Date: Wed, 2 Oct 2013 12:49:09 +0200 Subject: ntb: Fix missed call to pci_enable_msix() Current MSI-X enablement code assumes MSI-Xs were successfully allocated in case less than requested vectors were available. That assumption is wrong, since MSI-Xs should be enabled with a repeated call to pci_enable_msix(). This update fixes this. Signed-off-by: Alexander Gordeev Signed-off-by: Jon Mason --- drivers/ntb/ntb_hw.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/ntb/ntb_hw.c b/drivers/ntb/ntb_hw.c index a9b065f3973..fa97948e66a 100644 --- a/drivers/ntb/ntb_hw.c +++ b/drivers/ntb/ntb_hw.c @@ -1084,6 +1084,10 @@ static int ntb_setup_msix(struct ntb_device *ndev) "Only %d MSI-X vectors. Limiting the number of queues to that number.\n", rc); msix_entries = rc; + + rc = pci_enable_msix(pdev, ndev->msix_entries, msix_entries); + if (rc) + goto err1; } for (i = 0; i < msix_entries; i++) { -- cgit v1.2.3