If the user asks to probe multiple times, the probe
callback should only be called on devices that don't have
a driver already loaded.
This is useful if a driver is registered after the
execution of a program has started and the list of devices
needs to be re-scanned.
Signed-off-by: Ben Walker <benjamin.walker at intel.com>
---
lib/librte_eal/common/eal_common_pci.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/lib/librte_eal/common/eal_common_pci.c
b/lib/librte_eal/common/eal_common_pci.c
index 638cd86..971ad20 100644
--- a/lib/librte_eal/common/eal_common_pci.c
+++ b/lib/librte_eal/common/eal_common_pci.c
@@ -289,6 +289,10 @@ pci_probe_all_drivers(struct rte_pci_device *dev)
if (dev == NULL)
return -1;
+ /* Check if a driver is already loaded */
+ if (dev->driver != NULL)
+ return 0;
+
TAILQ_FOREACH(dr, &pci_driver_list, next) {
rc = rte_eal_pci_probe_one_driver(dr, dev);
if (rc < 0)
--
2.7.4
