1 From 95c2d549d8d123aac37a372580122f1b043c6165 Mon Sep 17 00:00:00 2001
2 From: Ray Kinsella <ray.kinsella@intel.com>
3 Date: Wed, 10 Aug 2016 11:59:07 +0100
4 Subject: [PATCH] UIO: Fix a crash in igb_uio driver when the device is
7 This crash happens because the device still has MSI configured,
8 the fix is to free the IRQ.
10 Signed-off-by: Todd Foggoa (tfoggoa) <tfoggoa@cisco.com>
11 Signed-off-by: Ray Kinsella <ray.kinsella@intel.com>
13 lib/librte_eal/linuxapp/igb_uio/igb_uio.c | 7 +++++++
14 1 file changed, 7 insertions(+)
16 diff --git a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
17 index df41e45..69873e7 100644
18 --- a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
19 +++ b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
20 @@ -442,8 +442,15 @@ static void
21 igbuio_pci_remove(struct pci_dev *dev)
23 struct rte_uio_pci_dev *udev = pci_get_drvdata(dev);
24 + struct uio_info *info = pci_get_drvdata(dev);
26 sysfs_remove_group(&dev->dev.kobj, &dev_attr_grp);
28 + if (info->irq && (info->irq != UIO_IRQ_CUSTOM)){
29 + free_irq(info->irq, info->uio_dev);
30 + info->irq = UIO_IRQ_NONE;
33 uio_unregister_device(&udev->info);
34 igbuio_pci_release_iomem(&udev->info);
35 if (udev->mode == RTE_INTR_MODE_MSIX)