[PATCH RFC 54/77] ntb: Ensure number of MSIs on SNB is enough for the link interrupt
From: Alexander Gordeev <hidden>
Date: 2013-10-02 17:40:43
Also in:
linux-ide, linux-pci, linux-rdma, linux-s390, linux-scsi, linuxppc-dev, lkml, netdev, stable
Subsystem:
ntb driver core, the rest · Maintainers:
Jon Mason, Dave Jiang, Allen Hubbe, Linus Torvalds
Signed-off-by: Alexander Gordeev <redacted> --- drivers/ntb/ntb_hw.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/ntb/ntb_hw.c b/drivers/ntb/ntb_hw.c
index de2062c..eccd5e5 100644
--- a/drivers/ntb/ntb_hw.c
+++ b/drivers/ntb/ntb_hw.c@@ -1066,7 +1066,7 @@ static int ntb_setup_msix(struct ntb_device *ndev) /* On SNB, the link interrupt is always tied to 4th vector. If * we can't get all 4, then we can't use MSI-X. */ - if (ndev->hw_type != BWD_HW) { + if ((rc < SNB_MSIX_CNT) && (ndev->hw_type != BWD_HW)) { rc = -EIO; goto err1; }
--
1.7.7.6