| From 95c2d549d8d123aac37a372580122f1b043c6165 Mon Sep 17 00:00:00 2001 |
| From: Ray Kinsella <ray.kinsella@intel.com> |
| Date: Wed, 10 Aug 2016 11:59:07 +0100 |
| Subject: [PATCH] UIO: Fix a crash in igb_uio driver when the device is |
| removed. |
| |
| This crash happens because the device still has MSI configured, |
| the fix is to free the IRQ. |
| |
| Signed-off-by: Todd Foggoa (tfoggoa) <tfoggoa@cisco.com> |
| Signed-off-by: Ray Kinsella <ray.kinsella@intel.com> |
| --- |
| lib/librte_eal/linuxapp/igb_uio/igb_uio.c | 7 +++++++ |
| 1 file changed, 7 insertions(+) |
| |
| diff --git a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c |
| index df41e45..69873e7 100644 |
| --- a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c |
| +++ b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c |
| @@ -442,8 +442,15 @@ static void |
| igbuio_pci_remove(struct pci_dev *dev) |
| { |
| struct rte_uio_pci_dev *udev = pci_get_drvdata(dev); |
| + struct uio_info *info = pci_get_drvdata(dev); |
| |
| sysfs_remove_group(&dev->dev.kobj, &dev_attr_grp); |
| + |
| + if (info->irq && (info->irq != UIO_IRQ_CUSTOM)){ |
| + free_irq(info->irq, info->uio_dev); |
| + info->irq = UIO_IRQ_NONE; |
| + } |
| + |
| uio_unregister_device(&udev->info); |
| igbuio_pci_release_iomem(&udev->info); |
| if (udev->mode == RTE_INTR_MODE_MSIX) |
| -- |
| 1.9.1 |
| |