From 68d23609ec0c42773043383ff2939a30830e8069 Mon Sep 17 00:00:00 2001 From: Bud Grise 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) --- 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