[dpdk-dev,v2] igb_uio: bind error if pcie bridge
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Commit Message
From: Darren Edamura <darren.edamura@broadcom.com>
Probe function should exit immediately if pcie bridge detected
Signed-off-by: Darren Edamura <darren.edamura@broadcom.com>
Signed-off-by: Rahul Gupta <rahul.gupta@broadcom.com>
Signed-off-by: Scott Branden <scott.branden@broadcom.com>
Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
---
v1->v2: add a log message if the condition is true.
---
lib/librte_eal/linuxapp/igb_uio/igb_uio.c | 5 +++++
1 file changed, 5 insertions(+)
@@ -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;