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authorAlexander Gordeev <agordeev@redhat.com>2013-10-02 10:49:09 (GMT)
committerJon Mason <jon.mason@intel.com>2013-11-20 16:57:31 (GMT)
commit9739047380a4a1a9f3eba4deea2f5978703b4ecb (patch)
tree56a0485ec9ef64f61a104eb253e5bf7b1c181bfa /drivers/ntb/ntb_hw.c
parent9fec60c41416c9c40ec520bb79064345d2396632 (diff)
downloadlinux-9739047380a4a1a9f3eba4deea2f5978703b4ecb.tar.xz
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>
Diffstat (limited to 'drivers/ntb/ntb_hw.c')
-rw-r--r--drivers/ntb/ntb_hw.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/ntb/ntb_hw.c b/drivers/ntb/ntb_hw.c
index a9b065f..fa97948 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++) {