| From 68d23609ec0c42773043383ff2939a30830e8069 Mon Sep 17 00:00:00 2001 |
| From: Bud Grise <griseb@cisco.com> |
| Date: Tue, 2 Feb 2016 12:45:44 -0800 |
| Subject: [PATCH 6/8] 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> |
| --- |
| lib/librte_eal/linuxapp/igb_uio/igb_uio.c | 6 ++++++ |
| 1 file changed, 6 insertions(+) |
| |
| diff --git a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c |
| index f5617d2..23a5cfa 100644 |
| --- a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c |
| +++ b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c |
| @@ -571,6 +571,12 @@ igbuio_pci_remove(struct pci_dev *dev) |
| udev = info->priv; |
| |
| 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(info); |
| igbuio_pci_release_iomem(info); |
| if (udev->mode == RTE_INTR_MODE_MSIX) |
| -- |
| 2.2.1 |
| |