diff options
| author |   Todd Foggoa <tfoggoa@cisco.com> | 2016-02-05 11:38:25 -0500 |
|---|---|---|
| committer | Todd Foggoa <tfoggoa@cisco.com> | 2016-02-05 14:20:59 -0500 |
| commit | 1d8dd705d754f9820101a4861beb4c0f44036165 (patch) | |
| tree | cc11e19a14908149d9b63dcebc9053a39aed4eff | |
| parent | 4b12b3c35ae6fb7941ba82599f9eb564f5439427 (diff) | |
DPDK patch: Fix a crash in igb_uio driver when the device is removed.
Change-Id: I101166ebda1c06e20a3c89cd38786ce44b7ab5d5
Signed-off-by: Todd Foggoa <tfoggoa@cisco.com>
| -rw-r--r-- | dpdk/dpdk-2.2.0_patches/0006-Fix-a-crash-in-igb_uio-driver-when-the-device-is-rem.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/dpdk/dpdk-2.2.0_patches/0006-Fix-a-crash-in-igb_uio-driver-when-the-device-is-rem.patch b/dpdk/dpdk-2.2.0_patches/0006-Fix-a-crash-in-igb_uio-driver-when-the-device-is-rem.patch new file mode 100644 index 00000000..f15e4aab --- /dev/null +++ b/dpdk/dpdk-2.2.0_patches/0006-Fix-a-crash-in-igb_uio-driver-when-the-device-is-rem.patch @@ -0,0 +1,33 @@ +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 + |