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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 <agordeev@redhat.com>
Signed-off-by: Jon Mason <jon.mason@intel.com>
This commit is contained in:
Alexander Gordeev 2013-10-02 12:49:09 +02:00 committed by Jon Mason
parent 9fec60c414
commit 9739047380
1 changed files with 4 additions and 0 deletions
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4
drivers/ntb/ntb_hw.c
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@ -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++) {