| Todd Foggoa | 1d8dd70 | 2016-02-05 11:38:25 -0500 | [diff] [blame] | 1 | From 68d23609ec0c42773043383ff2939a30830e8069 Mon Sep 17 00:00:00 2001 |
| 2 | From: Bud Grise <griseb@cisco.com> |
| 3 | Date: Tue, 2 Feb 2016 12:45:44 -0800 |
| 4 | Subject: [PATCH 6/8] Fix a crash in igb_uio driver when the device is removed. |
| 5 | |
| 6 | This crash happens because the device still has MSI configured, |
| 7 | the fix is to free the IRQ. |
| 8 | |
| 9 | Signed-off-by: Todd Foggoa (tfoggoa) <tfoggoa@cisco.com> |
| 10 | --- |
| 11 | lib/librte_eal/linuxapp/igb_uio/igb_uio.c | 6 ++++++ |
| 12 | 1 file changed, 6 insertions(+) |
| 13 | |
| 14 | diff --git a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c |
| 15 | index f5617d2..23a5cfa 100644 |
| 16 | --- a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c |
| 17 | +++ b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c |
| 18 | @@ -571,6 +571,12 @@ igbuio_pci_remove(struct pci_dev *dev) |
| 19 | udev = info->priv; |
| 20 | |
| 21 | sysfs_remove_group(&dev->dev.kobj, &dev_attr_grp); |
| 22 | + |
| 23 | + if (info->irq && (info->irq != UIO_IRQ_CUSTOM)){ |
| 24 | + free_irq(info->irq, info->uio_dev); |
| 25 | + info->irq = UIO_IRQ_NONE; |
| 26 | + } |
| 27 | + |
| 28 | uio_unregister_device(info); |
| 29 | igbuio_pci_release_iomem(info); |
| 30 | if (udev->mode == RTE_INTR_MODE_MSIX) |
| 31 | -- |
| 32 | 2.2.1 |
| 33 | |