[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 <yangxin...@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