pci: unset driver if probe fails

dev->driver should be set only if a driver did take the device.

Signed-off-by: David Marchand <david.marchand@6wind.com>

diff --git a/lib/librte_eal/common/eal_common_pci.c b/lib/librte_eal/common/eal_common_pci.c
index 971ad20..6163b09 100644 (file)
--- a/lib/librte_eal/common/eal_common_pci.c
+++ b/lib/librte_eal/common/eal_common_pci.c
@@ -214,7 +214,11 @@ rte_eal_pci_probe_one_driver(struct rte_pci_driver *dr, struct rte_pci_device *d
                dev->driver = dr;
 
                /* call the driver probe() function */
-               return dr->probe(dr, dev);
+               ret = dr->probe(dr, dev);
+               if (ret)
+                       dev->driver = NULL;
+
+               return ret;
        }
        /* return positive value if driver doesn't support this device */
        return 1;