From a1020e16640e3b5d8cf32ef7d2914b788a1e06f6 Mon Sep 17 00:00:00 2001 From: Bud Grise Date: Tue, 2 Feb 2016 12:45:44 -0800 Subject: [PATCH 7/8] 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 | 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 72b2692..bf12391 100644 --- a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c +++ b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c @@ -506,8 +506,15 @@ 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) -- 2.5.4 (Apple Git-61)