Some devices may be inaccessible for a variety of reasons, or the
PCI-bus may be unavailable causing the whole thing to fail.  Still,
better to continue attempts at probes.

Signed-off-by: Aaron Conole <acon...@redhat.com>
---
 lib/librte_eal/common/eal_common_pci.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/lib/librte_eal/common/eal_common_pci.c 
b/lib/librte_eal/common/eal_common_pci.c
index 72547bd..752c278 100644
--- a/lib/librte_eal/common/eal_common_pci.c
+++ b/lib/librte_eal/common/eal_common_pci.c
@@ -69,6 +69,7 @@
 #include <sys/queue.h>
 #include <sys/mman.h>
 
+#include <rte_errno.h>
 #include <rte_interrupts.h>
 #include <rte_log.h>
 #include <rte_pci.h>
@@ -416,6 +417,7 @@ rte_eal_pci_probe(void)
        struct rte_pci_device *dev = NULL;
        struct rte_devargs *devargs;
        int probe_all = 0;
+       int ret_1 = 0;
        int ret = 0;
 
        if (rte_eal_devargs_type_count(RTE_DEVTYPE_WHITELISTED_PCI) == 0)
@@ -430,17 +432,20 @@ rte_eal_pci_probe(void)
 
                /* probe all or only whitelisted devices */
                if (probe_all)
-                       ret = pci_probe_all_drivers(dev);
+                       ret_1 = pci_probe_all_drivers(dev);
                else if (devargs != NULL &&
                        devargs->type == RTE_DEVTYPE_WHITELISTED_PCI)
-                       ret = pci_probe_all_drivers(dev);
-               if (ret < 0)
-                       rte_exit(EXIT_FAILURE, "Requested device " PCI_PRI_FMT
+                       ret_1 = pci_probe_all_drivers(dev);
+               if (ret_1 < 0) {
+                       RTE_LOG (ERR, EAL, "Requested device " PCI_PRI_FMT
                                 " cannot be used\n", dev->addr.domain, 
dev->addr.bus,
                                 dev->addr.devid, dev->addr.function);
+                       rte_errno = errno;
+                       ret = 1;
+               }
        }
 
-       return 0;
+       return -ret;
 }
 
 /* dump one device */
-- 
2.7.4

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