[dpdk-dev] [PATCH 4/4] igb_uio: bind error if pcie bridge

Ajit Khaparde ajit.khaparde at broadcom.com
Wed Mar 21 19:06:29 CET 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>
---
 lib/librte_eal/linuxapp/igb_uio/igb_uio.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
index 4cae4dd27..3fabbfc4d 100644
--- a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
+++ b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
@@ -473,6 +473,9 @@ igbuio_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
 	void *map_addr;
 	int err;
 
+	if (pci_is_bridge(dev))
+		return -ENODEV;
+
 	udev = kzalloc(sizeof(struct rte_uio_pci_dev), GFP_KERNEL);
 	if (!udev)
 		return -ENOMEM;
-- 
2.14.3 (Apple Git-98)



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