[PATCH] bus/pci: print the return value when probe failed

[Xingui Yang]

The return value is not printed when probe failed, and it is not
convenient for locating the problem, so add it.

Signed-off-by: Xingui Yang <yangxingui at huawei.com>
---
 drivers/bus/pci/pci_common.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/bus/pci/pci_common.c b/drivers/bus/pci/pci_common.c
index c88634f790..adef4c16e1 100644
--- a/drivers/bus/pci/pci_common.c
+++ b/drivers/bus/pci/pci_common.c
@@ -410,9 +410,9 @@ pci_probe(void)
 		ret = pci_probe_all_drivers(dev);
 		if (ret < 0) {
 			if (ret != -EEXIST) {
-				PCI_LOG(ERR, "Requested device " PCI_PRI_FMT " cannot be used",
-					dev->addr.domain, dev->addr.bus,
-					dev->addr.devid, dev->addr.function);
+				PCI_LOG(ERR, "Requested device " PCI_PRI_FMT " cannot be used, ret = %d",
+					dev->addr.domain, dev->addr.bus, dev->addr.devid,
+					dev->addr.function, ret);
 				rte_errno = errno;
 				failed++;
 			}
-- 
2.33.0