[dpdk-dev] [PATCH v3] igb_uio: bind error if pcie bridge
Ajit Khaparde
ajit.khaparde at broadcom.com
Thu Mar 29 18:37:35 CEST 2018
From: Darren Edamura <darren.edamura at broadcom.com>
Probe function should exit immediately if pcie bridge detected
Signed-off-by: Darren Edamura <darren.edamura at broadcom.com>
Signed-off-by: Rahul Gupta <rahul.gupta at broadcom.com>
Signed-off-by: Scott Branden <scott.branden at broadcom.com>
Signed-off-by: Ajit Khaparde <ajit.khaparde at broadcom.com>
----
v1->v2: add a log message if the condition is true.
v2->v3: rebase against latest dpdk-next-net tree.
---
kernel/linux/igb_uio/igb_uio.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/kernel/linux/igb_uio/igb_uio.c b/kernel/linux/igb_uio/igb_uio.c
index 4cae4dd27..cbc5ab63a 100644
--- a/kernel/linux/igb_uio/igb_uio.c
+++ b/kernel/linux/igb_uio/igb_uio.c
@@ -473,6 +473,11 @@ igbuio_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
void *map_addr;
int err;
+ if (pci_is_bridge(dev)) {
+ dev_warn(&dev->dev, "Ignoring PCI bridge device\n");
+ return -ENODEV;
+ }
+
udev = kzalloc(sizeof(struct rte_uio_pci_dev), GFP_KERNEL);
if (!udev)
return -ENOMEM;
--
2.14.3 (Apple Git-98)
More information about the dev
mailing list